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Harry Collett
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Harry Collett (born 17 January 2004)[1] is an English actor. He began his career as a child actor in the West End. He went on to play Oliver Hide in the BBC medical drama Casualty (2016–2022), Tommy Stubbins in the film Dolittle (2020), and Jacaerys Velaryon in the HBO fantasy series House of the Dragon (2022–present).
Key Information
Early life
[edit]From Havering, Collett attended Coopers' Company and Coborn School for his secondary education, completing Year 11 in 2020.[1]
Career
[edit]Collett began his career in the West End productions of Billy Elliot the Musical at the Victoria Palace Theatre, Matilda The Musical at the Cambridge Theatre as Eric, and Elf at the Dominion Theatre as Michael.[2][3][4]
Collett made his television debut in a 2014 episode of BBC medical drama Casualty as Seb Durante.[5] That same year, he played a younger version of Michael Bublé in the music video for Bublé and Idina Menzel's cover of "Baby, It's Cold Outside".[6] The following year, Collett made a guest appearance in the ABC musical comedy series Galavant as a younger version of the titular character (played by Joshua Sasse).[3] He voiced lead character Wally in Wallykazam! across the first two series on the Nick Jr. Channel and Buzzbee in The Hive on CITV.[7]
In 2016, Collett was cast in another guest role on Casualty as Oliver Hide, the son of established character David Hide (Jason Durr) and debuted during the fifth episode of series 31. As part of the appearance, Collett filmed a stunt featuring his character trapped in a car engulfed in flames.[8] He reprised the role in 2017 for three episodes,[9] and again in 2019 for a longer stint.[10] The actor returned for another stint in 2021.[11] The following year in series 36, Collett reprised the role for four episodes, concluding with his character's death during a school shooting in episode thirty nine.[12] Collett's co-star Durr praised the actor, calling him "absolutely fantastic" and opining, "He's got a great career ahead of him".[13]
Collett made his film debut voicing a younger version of Luke Treadaway's character Raymond Briggs in Ethel & Ernest, an animated biographical film released in 2016.[7] In 2017, Collett appeared in the short film Honour as 11-year-old boy Lee[14] and had a cameo in Christopher Nolan's war film Dunkirk.[15] The following year, he appeared in Dead in a Week or Your Money Back as a younger version of the character William.[11]
In December 2017, it was announced Collett would star as apprentice Tommy Stubbins alongside Robert Downey Jr. in the adventure comedy film Dolittle, which would be released in January 2020.[15] Collett was then cast as Prince Jacaerys "Jace" Velaryon in the 2022 HBO fantasy series House of the Dragon, a Game of Thrones prequel and adaptation of part of George R. R. Martin's companion book Fire & Blood.[16][17]
In July 2025, Collett was announced in the lead role opposite Lizzy Greene in the movie adaptation of the new adult novel Easy by Tammara Webber.[18]
Filmography
[edit]| † | Denotes works that have not yet been released |
| Year | Title | Role | Notes |
|---|---|---|---|
| 2016 | Ethel & Ernest | Young Raymond Briggs | Voice role |
| 2017 | Dunkirk | Boy | |
| 2018 | Dead in a Week or Your Money Back | Young William | |
| 2020 | Dolittle | Tommy Stubbins | |
| 2025 | Easy † | Lukas Maxfield | Adaptation of the novel of the same name by Tammara Webber |
| Year | Title | Role | Notes |
|---|---|---|---|
| 2014 | Casualty | Seb Durante | Episode: "A Life Less Lived" |
| 2015 | Galavant | Young Galavant | Episode: "My Cousin Izzy" |
| The Hive | Buzzbee | Voice role, 5 episodes | |
| 2016−2022 | Casualty | Oliver Hide | Recurring role, 23 episodes |
| 2022−present | House of the Dragon | Jacaerys Velaryon | Main role |
| Year | Title | Artist | Notes |
|---|---|---|---|
| 2014 | "Baby, It's Cold Outside" | Idina Menzel and Michael Bublé |
| Year | Title | Role | Notes |
|---|---|---|---|
| 2015 | Dragon Quest Heroes: The World Tree's Woe and the Blight Below | Helix | English version |
Stage
[edit]| Year | Title | Role | Notes |
|---|---|---|---|
| 2010 | Billy Elliot the Musical | Small Boy | Victoria Palace Theatre, London |
| 2013 | Matilda The Musical | Eric | Cambridge Theatre, London |
| 2015−2016 | Elf | Michael | Dominion Theatre, London |
References
[edit]- ^ a b The Coopers' Company and Coborn School (17 January 2020). "Huge congratulations to Year 11 superstar, Harry Collett, who premiered his new film 'Dolittle' tonight for friends and family at Vue Cinema. Harry was brilliant in his portrayal of 'Tommy Stubbins' who trains as an apprentice to Dr. Dolittle (Robert Downey Jr.!) and heads off on an adventure of a lifetime in a quest to save the dying queen. Dolittle is officially out on 7th February in UK - make sure you see it and support Harry! Harry - we are all very proud of you and how much you have developed as a young actor, all the while remaining so humble and grounded. Well done from everyone at CCCS and good luck with the upcoming press promo around the world for the film. #dolittle #FYF #LYL #happy16thharry #LasB". Facebook. Retrieved 13 August 2022.
- ^ Shenton, Mark (6 November 2015). "Elf the Musical review at the Dominion Theatre, London – 'overpriced, but genuinely charming'". The Stage. Archived from the original on 7 November 2015. Retrieved 28 March 2020.
- ^ a b "Harry Collett - CV". Curtis Brown. Retrieved 28 March 2020.
- ^ "Harry Collett". TresA. 18 June 2021. Retrieved 12 September 2022.
- ^ "A Life Less Lived". BBC Online. Retrieved 28 March 2020.
- ^ "Watch: Idina Menzel and Michael Bublé - 'Baby it's Cold Outside'". Smooth Radio. 24 November 2014. Archived from the original on 13 August 2020. Retrieved 19 December 2019.
- ^ a b Thill, Scott (8 June 2015). "A Feature Adaptation of Raymond Briggs' 'Ethel and Ernest' Is In the Works". Cartoon Brew. Retrieved 28 March 2020.
- ^ Ellis, Sarah (24–30 September 2016). "David is forced to save the day, which he doesn't find easy...". Inside Soap. No. 38. pp. 40–41.
- ^ Ellis, Sarah (4–10 February 2017). "David's fresh start". Inside Soap. No. 9. pp. 48–49.
- ^ Reilly, Elaine; Fletcher, Rebecca (15 August 2019). "Casualty spoilers: Will Ethan survive big bomb explosion?". What's on TV. Retrieved 19 August 2019.
- ^ a b Shore, Martin (5 January 2021). "Harry Collett announces his return to Casualty as Ollie". What's on TV. Retrieved 14 February 2021.
- ^ Dainty, Sophie (18 June 2022). "Casualty reveals who died in shock shooting episode". Digital Spy. Hearst Magazines UK. Retrieved 19 June 2022.
- ^ Reilly, Elaine (30 August 2019). "Jason Durr reveals why 'no acting was required' in Casualty!". What's on TV. Retrieved 28 March 2020.
- ^ "Honour". Amazon Prime Video. Retrieved 28 March 2020.
- ^ a b Kroll, Justin (6 December 2017). "Robert Downey Jr.'s Doctor Dolittle Movie Taps Harry Collett". Variety. Retrieved 19 December 2019.
- ^ Reilly, Elaine (15 July 2022). "Casualty exclusive: What's in Ollie Hide's police evidence box? Jason Durr reveals the shocking contents!". What to Watch. Retrieved 13 August 2022.
- ^ "House of the Dragon – Character Descriptions". WarnerMedia. Retrieved 30 March 2022.
- ^ Goodfellow, Melanie (14 July 2025). "Lizzy Greene & Harry Collett Confirmed For Adaptation Of New Adult Bestseller 'Easy' As Filming Wraps In Malta". Deadline. Retrieved 17 July 2025.
External links
[edit]| International | |
|---|---|
| National | |
| Other | |
Harry Collett
View on Grokipediafrom Grokipedia
Early life
Childhood
Harry Collett was born on January 17, 2004, in Havering, London, England.[11] He grew up in the Havering area, where his family provided encouragement for his early artistic pursuits.[12] During his primary school years, Collett faced challenging experiences at school, which led him to seek outlets in activities he enjoyed, such as street dance.[13] He trained regularly in street dance after school, attending a local dance studio owned by the British dance group Diversity to develop his skills and passion for performance.[13] Around the age of six, Collett's interest in acting began when an agent spotted him during a dance show at a shopping mall and encouraged him to audition.[14] His parents supported this transition by arranging family outings for his initial auditions in London, marking the start of his formal pursuit of acting opportunities.[12]Education
Collett attended the Coopers' Company and Coborn School, a co-educational secondary school and sixth form located at St Mary's Lane in Upminster, within the London Borough of Havering.[15] He completed Year 11 at the school in 2020, marking the end of his compulsory secondary education.[16] Throughout his time at the school, Collett balanced academic responsibilities with early acting commitments, including rehearsals and filming for major productions during his mid-teens. For instance, principal photography for the film Dolittle (2020), in which he played a lead role, took place in 2018 when he was 14, followed by reshoots in spring 2019.[17] In early 2020, with approximately five months remaining in Year 11, Collett focused on preparing for his GCSE exams amid promotional activities for Dolittle, including its premiere, which he noted were less daunting than the impending assessments.[18] This period highlighted the demands of juggling schoolwork with a rising career.Career
Stage debut
Harry Collett made his professional stage debut at the age of six, portraying the Small Boy in Billy Elliot the Musical at London's Victoria Palace Theatre in 2010.[13] Having developed an interest in street dance from a young age at a studio associated with the dance group Diversity, Collett was spotted by an agent during a class, leading to his audition for the production.[13] His brief appearances in the show, lasting about two minutes each night, involved energetic ensemble moments that introduced him to the demands of West End performance.[13] Building on this start, Collett appeared as Eric in Matilda the Musical at the Cambridge Theatre from March to September 2013. The role required precise comedic timing and vocal delivery amid the production's ensemble dynamics, further honing his theatrical versatility as a child performer. He then alternated in the role of Michael in Elf at the Dominion Theatre during its 2015–2016 run, contributing to the holiday musical's family-oriented narrative through lively scenes that emphasized youthful exuberance.[19][20] These formative stage roles played a crucial part in cultivating Collett's dance and performance abilities, integrating his pre-existing street dance proficiency with rigorous musical theatre training to improve his physical coordination, stamina, and audience engagement.[13] The experiences not only boosted his confidence in live settings but also laid a strong foundation for expressive movement that would influence his later work.[13]Television breakthrough
Collett's television debut came in 2015 when he appeared as a young version of the protagonist in the episode "My Cousin Izzy" of the ABC musical comedy series Galavant.[21] In 2016, at the age of 12, Collett transitioned to a recurring role on the BBC medical drama Casualty, playing Oliver "Ollie" Hide, the son of established nurse David Hide (portrayed by Jason Durr).[22][23] His portrayal spanned multiple seasons from 2016 to 2017, with returns in 2019 and continuing appearances through 2022, totaling 23 episodes.[7] This role marked his establishment in British broadcast television, allowing him to depict the character's evolution from a troubled child navigating family dynamics and personal struggles to a more mature teenager.[24] Collett's recurring work on Casualty bridged the challenges of filming during the COVID-19 pandemic, as production adapted to safety protocols like social distancing and reduced crew sizes while maintaining the show's demanding schedule. His growth as an actor paralleled the character's, transitioning from child-centric storylines to young adult arcs that explored themes of resilience and family loyalty.[5] A significant breakthrough arrived in 2022 with his casting as Prince Jacaerys "Jace" Velaryon, the eldest son and heir of Queen Rhaenyra Targaryen, in HBO's fantasy epic House of the Dragon. This role in the Game of Thrones prequel series elevated his profile internationally, positioning him as a central figure in a major production that premiered to critical acclaim. He reprised the role in season 2 (2024) and, as of 2025, continues filming season 3.[2] Filming for the series, which began in 2021 amid ongoing pandemic restrictions, required Collett to embody a complex young royal grappling with identity, duty, and political intrigue, further showcasing his maturation from child performer to leading young adult talent.[25]Film roles
Collett made his film debut in 2016 with a voice role as the young Raymond Briggs in the animated biographical film Ethel & Ernest, directed by Roger Mainwood and based on the graphic novel by Briggs himself.[26] In 2017, he transitioned to live-action with a supporting role as the Boy, the son of Mark Rylance's character, in Christopher Nolan's World War II epic Dunkirk.[27] The part, though brief at about seven seconds on screen, marked his entry into historical drama and involved filming amid large-scale action sequences with numerous extras.[14] Collett later described minimal preparation for the role, relying primarily on costumes and the immersive set to embody the character.[5] Collett next appeared in 2018's black comedy Dead in a Week or Your Money Back, directed by Tom Edmunds, playing the young version of the protagonist William in flashback scenes.[14] The role highlighted his versatility in lighter, ensemble-driven narratives following his dramatic debut.[5] His breakthrough in feature films came in 2020 with the lead child role of Tommy Stubbins in the adventure fantasy Dolittle, directed by Stephen Gaghan and starring Robert Downey Jr. as the titular doctor.[27] As Stubbins, an aspiring apprentice who joins Dolittle on a quest, Collett's performance centered on the character's wide-eyed curiosity amid fantastical elements.[28] In July 2025, Collett was announced in the lead role of Lucas in the film adaptation of Tammara Webber's novel Easy, opposite Lizzy Greene as Jacqueline, with principal photography wrapping in Malta.[29] Collett's film roles evolved from peripheral voice and cameo parts to more central live-action characters, reflecting a shift toward historical and adventure genres that demanded physical and imaginative preparation. For Dunkirk, he immersed himself in the period atmosphere through on-set dynamics, while for Dolittle, he trained in boxing for stunts, practiced animal mimicry like roaring and squawking to interact with CGI creatures using tennis balls as stand-ins, and drew mentorship from Downey Jr. on authenticity in performance.[5][28] This progression was bolstered by his earlier television experience, which helped build the on-camera presence that attracted film casting directors.[14]Credits
Film
- 2014: Baby It's Cold Outside – Bellhop; director Brett Sullivan[30]
- 2016: Ethel & Ernest – Young Raymond Briggs (voice); director Roger Mainwood[31]
- 2017: Honour – Lee; director Rocky Palladino[32]
- 2017: Dunkirk – Boy; director Christopher Nolan[33]
- 2018: Dead in a Week or Your Money Back – Young William; director Tom Edmunds
- 2018: Angels Of Our Past – Adam; director Max Law[34]
- 2020: Dolittle – Tommy Stubbins; director Stephen Gaghan[35]
- 2022: Why Wouldn't I Be? – Jack; director Ella Greenwood[36]
- 2025: Easy – Lucas; director Luke Eve (upcoming)[29]
Television
- 2014: Casualty – Seb Durante (1 episode)[37]
- 2015: Galavant – Young Galavant (1 episode)
- 2015: The Hive – Buzzbee (voice role, TV series)
- 2016–2022: Casualty – Oliver Hide (recurring role, multiple episodes)[38]
- 2022–present: House of the Dragon – Jacaerys Velaryon (main role, seasons 1–present)
Theatre
- 2010: Billy Elliot the Musical – Small Boy, Victoria Palace Theatre, London.[39]
- 2013: Matilda the Musical – Eric, Cambridge Theatre, London (March–September).[5]
- 2015–2016: Elf – Michael (alternating), Dominion Theatre, London.[40][41]