Chelsea Halfpenny
Halfpenny's professional acting career began in 2004 when she appeared in "Casualty" episode ""What Parents Do"", playing an eleven-year-old girl called Karine.
Casualty (series 32)
Following her cameo appearance in episode one, Carey confirmed that she had left the series. Everitt and Hewer made unannounced departures in episode two as their characters left Holby. On his departure, Everitt commented, "By the end of his journey, I discovered more sides to him, which were important to play." Hewitt said he had "the most incredible time" filming with the serial. Benjamin also made her final appearance in the episode, as confirmed by Dafydd Llewelyn, a show producer. Austin made his final appearance in the following episode. "Digital Spy" announced on 31 October 2017 that Yu would leave the show after four years in the role of Lily Chao. Speaking of her departure, Yu admitted that it was her decision to leave as she has "been away from home for four years", although she added that she had "been offered another year on her contract". Yu departed in episode 11, on 4 November 2017. Davis' final scenes as Max Walker were broadcast in episode 19, broadcast on 13 January 2018. The actor said he enjoyed his exit storyline.
It was announced on 25 April 2017, that actress Charlotte Salt would be reprising her role as Sam Nicholls as part of a "big storyline" airing later in the year. Salt last appeared on the show between 2011 and 2013, and began filming at the end of May 2017. Sam was originally planned to return on 16 September 2017, but instead returned a week later, in episode 5. Following several guest appearances in the previous series, Ian Bleasdale also returned during the series as ambulance operational manager Josh Griffiths, who originally appeared in the serial between 1989 and 2007. Josh returned in episode 5. Producer Lucy Raffety announced that Sunetra Sarker would be returning as Zoe Hanna for one episode in early 2018, following her departure in series 30. Sarker appeared in episode 19, broadcast on 13 January 2018. Recurring cast member Owain Arthur reprised his role as Glen Thomas, the former fiancé of Robyn, in episode 13. He departs in episode 30, after his cancer returns. Pam St. Clement also reprised her role as Sally Hodge in episode 17, for one episode. Rebecca Ryan reprises her role as Gemma Dean, the sister of Iain, in a recurring capacity from episode 24.