character - Peter West ("A Dose of Zombies" segment) (archive footage) (uncredited)

character - Cmdr. Ian Hubbard (archive footage)

character - Laird Fergusson

character - Dr. McKeown

character - Jonathan Maltravers

character - Archie McAllister

character - Nilson

character - (archive footage)

character - Walt Mitchell

character - Charles

character - Commander Ian Hubbard

character - John Inglis

character - Dr. Peter Chandler

character - Peter West

character - Jack Case

character - Inspector Stone

character - Macklin

character - Malaud

character - Geoffrey

character - Greg Preston

character - Colonel Braun

character - Larry Page

character - The Rev. Frank Warrender

character - Man at Bar (uncredited)

character - Recording Producer (uncredited)

character - John Hampden

character - David Mainwaring

character - Robin Graham

character - German Officer (uncredited)

character - Detective Wayne

character - Nilson