Dr. Grote Maxwell (8 episodes, 1998-1999)
Dr. Haylen Breslauer (8 episodes, 1998-1999)
Dr. Dru Breslauer (8 episodes, 1998-1999)
Dr. Batung (8 episodes, 1998-1999)
ANI - Android Nursing Interface (8 episodes, 1998-1999)
Dr. Rema Cook (8 episodes, 1998-1999)
Dr. Caleb 'C.J.' Jurado (8 episodes, 1998-1999)
Lt. Kim Salisaw / Lt. Salisaw (8 episodes, 1998-1999)
Dr. Harris DeMilla / Dr. DeMilla (7 episodes, 1998-1999)
Nurse Davies (7 episodes, 1998-1999)
Nurse Molly Tobitt (7 episodes, 1998-1999)
Hippocrates (7 episodes, 1998-1999)
Mednaut Cowan (6 episodes, 1998-1999)
Mednaut Westhusing (6 episodes, 1998-1999)
Nagnom (5 episodes, 1998-1999)
Mednaut Thurston (4 episodes, 1998-1999)
Bortok (3 episodes, 1998-1999)
Charles Bantam (2 episodes, 1998-1999)
Nancy Curtis (2 episodes, 1998-1999)
Mednaut Jeffries (2 episodes, 1998)
Stenneth Lock (2 episodes, 1999)
Val (2 episodes, 1999)
(1 episode, 1998)
Mr. Parks (1 episode, 1998)
Julie Porteuse (1 episode, 1998)
Private Banes (1 episode, 1998)
Mr. Tennant (1 episode, 1998)
Frank Milonovich (1 episode, 1998)
Gia Palette (1 episode, 1998)
Sharon Tennant (1 episode, 1998)
Surgeon Reese (1 episode, 1998)
Dr. Salabaster (1 episode, 1998)
Jonathan Worley (1 episode, 1998)
Mr. Blumenthal (1 episode, 1998)
Tech Hennesey (1 episode, 1998)
Launch Attendant (1 episode, 1998)
Surgeon Lasker (1 episode, 1998)
Lily Parks (1 episode, 1998)
Mr. Porteuse (1 episode, 1998)
Construction Worker (1 episode, 1998)
Mrs. Hennesey (1 episode, 1998)
Mother (1 episode, 1998)
Peter Reese (1 episode, 1998)
Sandra Harden (1 episode, 1998)
(1 episode, 1999)
Yaguchi (1 episode, 1999)
Joanne Collinswood (1 episode, 1999)
Grant Cushing (1 episode, 1999)
Cooper Tanazi (1 episode, 1999)
Hargo (1 episode, 1999)
Alice Zeame (1 episode, 1999)
L.Y.D. (1 episode, 1999)
Cynthia (1 episode, 1999)
Kevin Zeame (1 episode, 1999)
Sarina Hyne (1 episode, 1999)
Morley Scripps (1 episode, 1999)
Soucheray (1 episode, 1999)
Eztrel Shey (1 episode, 1999)
Michelle DeMilla (1 episode, 1999)
Mr. Wilkins (1 episode, 1999)
Emily (1 episode, 1999)
Fay Kelly (uncredited) (1 episode, 1998)
Voice Over (uncredited) (unknown episodes)
Parasite Guy (uncredited) (unknown episodes)