The series will see the departure of the character portrayed by Doherty, who had been playing the on‑screen twin sister of Priestley. Her exit comes at the conclusion of the fourth season, marking the end of her storyline within the show. Viewers who followed the twin dynamic will notice the shift in the cast as the series moves forward.


Doherty, who played Priestley's on-screen twin sister, exited the series at the end of its fourth season.