Judge

Norman Ackerman (1 episode)

Eric Patterson

Mr. Polhemus

Ralph Whitman (1 episode)

Lt. Alan Terwilliger (2 episodes)

Henry Northup

Dr. Howard

Executive Producer

Dr. Ballinger

Mark Stewart (3 episodes)

Walter Turney

Dr. Peter Allender (2 episodes)

Reynaldo Solis

Narrator (13 episodes)

Dr. Alec Janetta (1 episode)

Lt. Col. Tench (1 episode)

Reed Calder (1 episode)

Julius (1 episode)

(1 episode)

Producer

(2 episodes)

Glen (1 episode)

Keith Newton (1 episode)

Dan Whitfield (2 episodes)

Flying Fox (1 episode)

Dr. Marshall

John Eberson (1 episode)

Jordan Boyle (8 episodes)

James

Insp. Carl Hamilton

(1 episode)

Santos Cardoza (1 episode)

Vitol Enzor (1 episode)

Ismet El Kebir (1 episode)

Ben Heath (1 episode)

Paul Virdon (1 episode)

Neal Kriton (1 episode)

Frankie Geller (1 episode)

Alan Graves (1 episode)

Dr. Norman Forrest (2 episodes)

Dr. Ted Willard (1 episode)

Craig Miller

Sgt. Kabir (1 episode)

(1 episode)

Pete Spence

Elmer B. Kafka

(1 episode)

Lt. Murrow (1 episode)

Nikolai Alexeyvich Chulkaturin

Lazarus

Prof. Stephen Grave (1 episode)

Dr. Alex Tazinski "Ski" (98 episodes)

Carter (1 episode)

(2 episodes)

Abraham Lincoln (1 episode)

Channon

Det. Alan Keller (1 episode)

Peter Merrell (1 episode)

Ricardo Gardio (1 episode)

Mike Bergen (1 episode)

(1 episode)

Octavius Caesar (1 episode)

Al Garson (1 episode)

Plenty Own (1 episode)

(1 episode)

Officer to Octavius

Ajawac

Long Mane

Vincent Korvac (as Lawrence Tolan) (uncredited)

Mort Springer (as Lawrence Tolan)

Leo Daly

James 'Duke' Malloy