Malcolm
Executive Producer
Rob Conroy (4 episodes)
Ruescott Melshi (7 episodes)
John's Father (3 episodes)
Hawat Officer (uncredited)
Narrator (Voice) (3 episodes)
Dr James Haslam (3 episodes)
Dennis (2 episodes)
Sergeant Melshi
Garrett Scholes (1 episode)
Charles Narramore (1 episode)
Detective Eigner
Scientist (1 episode)
Gareth (1 episode)
Captain Greg Denovo (3 episodes)
Jason
Linden Cullen (160 episodes)
Liam MacKay (63 episodes)