Elizabeth Hawke (52 episodes, 2004-2006)
Toby Johnson (52 episodes, 2004-2006)
Russell Skinner (52 episodes, 2004-2006)
Garth King (52 episodes, 2004-2006)
Verity McGuire (52 episodes, 2004-2006)
Sacha Johnson (26 episodes, 2005-2006)
Dina Demiris (26 episodes, 2004)
Nikki Bailey (26 episodes, 2005-2006)
Jack Bailey (26 episodes, 2005-2006)
Claire (26 episodes, 2004)
Jade (2003-2004) (25 episodes, 2004)
Bianca (2003-) / Bianca (24 episodes, 2004)
Sean (2003-) / Sean (24 episodes, 2004)
Prof. Carl Tesslar (2003-) / Prof. Carl Tesslar (22 episodes, 2004)
Maddison French (2005-2006) / Maddison French (20 episodes, 2005-2006)
Chloe (2003-2004) (20 episodes, 2004)
Neil Woods (19 episodes, 2005-2006)
Peta Vinci (2005-2006) / Peta Vinci (19 episodes, 2005-2006)
Emma Hellman (18 episodes, 2005-2006)
Principal Alexa Vyner (15 episodes, 2004)
Phil Johnson (2003-) (13 episodes, 2004-2006)
Ms. Hammer (2005-2006) / Ms Hammer (11 episodes, 2005-2006)
Olivia Buckingham (9 episodes, 2004)
Oliver Simmons (3 episodes, 2005-2006)
Matt Costos (3 episodes, 2005-2006)
Simon Taylor (2 episodes, 2005)
Jess Faraday (2 episodes, 2004)
Nadine Sterling (2 episodes, 2005-2006)
Rodney (1 episode, 2006)
Nikki Bailey (1 episode, 2006)
Mother (1 episode, 2005)
Chainsaw (1 episode, 2005)
Miss Buckingham (1 episode, 2004)
Student (1 episode, 2004)
Earl Hanley (1 episode, 2004)
Alexa Vyner (1 episode, 2004)
School Bully (1 episode, 2004)
Amelia (1 episode, 2004)
Promoter (1 episode, 2004)
Kid (1 episode, 2004)
Photographer (1 episode, 2004)
Professor Tanaka (1 episode, 2004)
Earl (1 episode, 2005)
Wyatt, Summer (1 episode, 2005)
Boy (1 episode, 2005)
Shannon (1 episode, 2005)
Neandathal (1 episode, 2005)
The Director (1 episode, 2006)
Mick the Wildlife Officer (1 episode, 2006)
Virgil Bailey (1 episode, 2006)
Elsa Bailey (1 episode, 2006)
Max (1 episode, 2006)
School Girl (1 episode, 2006)
Toby's Mother (uncredited) (1 episode, 2004)
Estate agent (uncredited) (1 episode, 2005)