Aaron Ashmore

as Ronald Dreason (6 episodes)

as Jake

as Grant

as Jake

as Marshall

as Rick

as Aaron (3 episodes)

as Jake

as Max (1 episode)

as William "Wheezer" Heaseman (35 episodes)

as Curt Richards

as Urologist (1 episode)

as Mark

as James

as Angus

as Gil Timmins (7 episodes)

as Gordon

as Counselor Parker

as Duncan Locke (18 episodes), as Duncan Locke (voice) (1 episode)

as Reggie Seamus

as Galen Wheatcroft (1 episode)

as Sean

as Randall Wishart (4 episodes)