[12] Returning cast members included: Stuart Organ (Peter Robson), John Joseph (Ian Hudson),[13] Amanda Fahy (Shannon Parks), Jessica Staveley-Taylor (Leah Stewart),[14] Colin White (Spencer Hargreaves), Arnold Oceng (Calvin Braithwaite),[15] Jalpa Patel (Anika Modi), Lindsey Ray (Amy Davenport), Matthew Buckley (Martin Miller),[16] Sammy O'Grady (Kathy McIlroy), Kacey Barnfield (Maddie Gilks) and Shane Leonidas (Josh Irving).
[17] Todd Carty made a guest appearance in the first episode and Chris Perry-Metcalf was cast as Tucker's nephew, Patrick "Togger" Johnson.
Perry-Metcalf described Togger as a "bit of a rebel" who believes "he doesn't have to work and that school's just for messing around and getting people into trouble."
[20] Holly Quin-Ankrah and Kirsten Cassidy joined the series as step-sisters Karen and Tanya Young.
[21] Quin Ankrah received no acting role prior to gaining the part of Karen at the age of 14.