Dr. Stephens Croft / Dr. Adam Croft (13 episodes)
Dr. Ethan Parquet (1 episode)
Situpon Agent (voice) (1 episode)
Stan Loomis (9 episodes)
Meek Engineer
Mark
Richard Onstead (17 episodes)
Alex
Original Music Composer
Ted Acker-Byrne (1 episode)
Arnold Dixon
Puck Davies (1 episode)
Joey Thomas (14 episodes)
Steven Kaplan (1 episode)
Bubonic (2 episodes)
Tom Henney (1 episode)