Home and Away is an Australian television soap opera. It was first broadcast on the Seven Network on 17 January 1988. The following is a list of characters that appeared in 2019, by order of first appearance. All characters are introduced by the soap's executive producer, Lucy Addario. The 32nd season of Home and Away began airing from 18 February 2019. Mackenzie Booth was introduced in June, along with Ian and Wendy Shaw. August saw the debuts of Alex Neilson and Teresa Masterson. Jade Lennox made her first appearance in October. Ari Parata was introduced in November.

Mackenzie Booth, played by Emily Weir, made her first appearance on 13 June 2019. Weir's involvement in the show had been made public months in advance due to paparazzi publishing photographs of her filming at Palm Beach. A reporter from Soap World even guessed that the character was named MacKenzie Booth and would be likely be the half-sister of established character Dean Thompson (Patrick O'Connor). Weir's casting and character details were officially announced on 10 June. Weir was attending an audition for another acting job when her agent called to inform her that she had won the role of Mackenzie. She commented, "I just screamed and started running around like a mad woman. It was such an overwhelming feeling; a dream come true." Mackenzie is the new owner of Summer Bay restaurant Salt. Describing her character, Weir said "Mackenzie is a very fierce and independent, smart woman. We don't really know what her motivation is for coming to the Bay – there is quite an element of mystery there." Jackie Brygel of New Idea also noted that buying the restaurant does not seem like Mackenzie's only reason for moving to the Bay, and dubbed the character "mysterious" and "fiery". On 20 June, it was officially revealed that Mackenzie is Dean's half-sister.

Ian Shaw, played by Frankie J. Holden, and Wendy Shaw, played by Amanda Muggleton, made their first appearances on 27 June 2019. Of his casting, Holden stated "The role came about like everything seems to come about for me – someone, somewhere thought it would be a good idea to get me involved in the show." He also joked that he was offered the role because he had played a farmer on A Place to Call Home for six years, and the producers might have thought he seemed "like a bloke off the land". Muggleton said she was "thrilled" to be cast in Home and Away, adding "Thirty years was a long time to wait, but it was worth it! The crew, cast and creatives are so established and professional – it was made so easy." Ian and Wendy are Robbo's (Jake Ryan) parents. He brings his fiancée Jasmine Delaney (Sam Frost) to visit them at the family farm. However, Wendy is "protective" of her son and tells Jasmine that she does not approve of her marrying Robbo. Ian also shares his concerns with Robbo, and he and Wendy later tell him that they want him to move back to the farm.

Robbo visits his parents at their farm to introduce them to his fiancée Jasmine Delaney. Jasmine gives Ian and Wendy an invitation to their wedding, which she had wanted to personally deliver. Wendy asks Jasmine how she met Robbo, and how she feels about him having a child with Tori Morgan (Penny McNamee). Ian makes it clear that he is not happy about the baby, believing that Robbo was tricked into fatherhood. Robbo and Ian go off to do some work on the farm, leaving Jasmine alone with Wendy, who tells her that she and Ian do not approve of her or the impending marriage. Jasmine tries to reassure Wendy that she will not hurt Robbo again, after lying to him about Tori and the baby, leading to their break up. Robbo also realises that Ian has a problem with his relationship with Jasmine. Robbo tells his parents that he loves Jasmine and either they get on board, or they are leaving. Wendy and Ian talk, and deciding to accept the situation, they offer to cook a roast dinner and make up the spare room for Jasmine. They do not attend the wedding due to car trouble.

Months later, Ian and Wendy come to Summer Bay to meet their granddaughter Grace Morgan for the first time. They disapprove of Robbo's living situation, and later ask him and Jasmine to move to the countryside and raise Grace on the farm. Ian talks with Jasmine, who refuses to put any pressure on Robbo, while Wendy talks with her son, who accepts their offer. Robbo and Jasmine inform Wendy and Ian that they will move to the farm in four weeks time, after the trial of the Ouroboros gang is over. However, when Tori wakes from her coma, the couple change their plans. Shortly after, Wendy and Ian learn that Robbo has died. They return to the Bay for his funeral. Wendy helps Jasmine pick out a suit for Robbo to wear and some photos to be placed in the casket. Jasmine brings the couple to meet Tori for the first time and see Grace. Ian gives a eulogy at the funeral and tells the mourners a story about Robbo and his friend Lance Salisbury (Angus McLaren), whose father is in attendance. Wendy comforts Ian when he breaks down. At the wake, Wendy tells Jasmine that she is welcome at the farm any time, while Tori says that she will make sure that Grace knows all about her father. Ian thanks everyone for looking after their son during his time in the Bay, and the couple leave.

Wendy returns to the Bay after Jasmine informs her and Ian that she is pregnant. She spends time with Grace, and tells Tori that she does not need to attend Jasmine's scan, but Jasmine says that she wants Tori there as they are family. As the scan proceeds, Tori and Jasmine realise that there is no baby. Wendy asks how a woman can have all the symptoms but not be pregnant, and briefly wonders if Jasmine made it up, but Jasmine tells her the pregnancy test was positive. Tori confirms that Jasmine experienced a phantom pregnancy because of her grief at Robbo's death. Wendy later comforts Jasmine and tells her that they need to concentrate on Grace to get them through, before leaving for home. Weeks later, Jasmine shows up at the farm and stays with Ian and Wendy. She does not tell them why she has left the Bay and helps out around the farm. Her friends Irene Roberts (Lynne McGranger) and Colby Thorne (Tim Frankin) come to the farm and tell Ian and Wendy about Jasmine's recent behaviour towards Grace and Tori. Wendy and Ian agree that Jasmine needs some help and tell her that she should accept Irene and Colby's support. They also tell Jasmine that she cannot stay with them permanently because of the AVO against her, which could see them lose access to Grace while she is there. Jasmine agrees to return to the Bay and the Shaws say goodbye to her. When Wendy has a heart attack, Jasmine goes to the farm to help out and decides to stay there permanently.

Alex Neilson, played by Zoe Ventoura, made her first appearance on 22 August 2019. Ventoura's casting and character details were announced on 8 April 2019, a week after she began filming. Ventoura was living in Los Angeles when she was contacted by Home and Away producers about the role. She recalled, "I was sent the character information and asked if I was interested. I immediately loved the character – that's what got me in. She's strong and bold and smart and compelling. I loved how they have created her and written her on the page, and the storyline they have planned for her. It just seemed like a no-brainer."

Alex is Summer Bay's new doctor and head of emergency, who takes over the position while Tori Morgan (Penny McNamee) takes maternity leave. Having played a nurse on Packed to the Rafters, Ventoura relished the chance to play a doctor. She admitted that she was nervous about the medical terms, but she was looking forward to the challenge and wanted to do the role justice. She revealed that her first day took place on the hospital set and described it as "a real baptism of fire, a really hectic, crazy trauma situation" that her character is in control of. Ventoura described her character as "a complex woman with a lot of layers", while Jackie Brygel of New Idea said Alex has "a fabulously intriguing past". Brygel also said that Alex may be involved in a romance during her time in the Bay.