Older Gentleman/Narrator
Doctor Harlow (voice)
Reverend Stewart (4 episodes)
Reverend Parsons (1 episode)
Charles Potter
King Richard
Ted Bishop (2 episodes)
Professor Myles Fowler
Raymond
Leyland Eaton (1 episode)
Prelate
Mr. Whittaker
Richard Blackwell
Bob Sterling
Hank Catenhauser
Fordis (1 episode)
Dr. Elliot (1 episode)
Stepfather
Jacques
Senator James Van Horn (4 episodes)
Isaacs - MI6 Officer
Terence Young (2 episodes)
Dr. Wolfram (1 episode)
Engelan
Dr. Donovan Jamison (2 episodes)
Dr. Andy Harrison
Dr. Hauser (as Gerrard Plunkett)
Herbie
Mr. W (voice)
Turaga Dume (voice)
David Gateskill
Dr. Lawrence (1 episode)
Pontius Pilate (voice)
Dr. Raymond Ardmore
Rod Poker
High Roller
Bloodmist (3 episodes)
Miles Davenport (segment 'Room Service')
Trevor Hayes
Technician
Oak Tree (voice)
Griffin Brockman
Commissioner Radcliffe (voice) (27 episodes)
Spinworthy
Graham
Dr. Leo Sardis
Dr. Sarkisian
Sir Robert McKintyre
Dr. Calderon (1 episode)
Scarab - Harris Stone - Mr. Stone (voix) (42 episodes)
High Councilor Tuplo (3 episodes)
Adam Latham (1 episode)
Sklar
Diamond Merchant
Jules Morak (1 episode)
Dieter Imhoff (1 episode)
4. Offizier Joseph G. Boxhall (2 episodes)
(voice)
Hotchkiss (voice)
James Bailey (1 episode)
Roland Kantos (1 episode)
Klaus Schmendrick (voice) (13 episodes)
(voice)
(voice)
Father Jerry (1 episode)
Driver (1 episode)
(voice)
(voice)