Walter Pidgeon
Dr. Edward Morbius
Acting
Anne Francis
Altaira Morbius
Acting
Leslie Nielsen
Commander John J. Adams
Acting
Warren Stevens
Lt. 'Doc' Ostrow
Acting
Jack Kelly
Lt. Jerry Farman
Acting
Earl Holliman
Cookie
Acting
Richard Anderson
Chief Engineer Quinn
Acting
George D. Wallace
Bosun
Acting
Robert Dix
Crewman Grey
Acting
Jimmy Thompson
Crewman Youngerford
Acting
James Drury
Crewman Strong
Acting
Harry Harvey Jr.
Crewman Randall
Acting
Roger McGee
Crewman Lindstrom
Acting
Peter Miller
Crewman Moran
Acting
Morgan Jones
Crewman Nichols
Acting
Richard Grant
Crewman Silvers
Acting
James Best
Crewman (uncredited)
Acting
William Boyett
Crewman (uncredited)
Acting
Les Tremayne
Narrator (voice) (uncredited)
Acting
Frankie Darro
Robby the Robot (interior) (uncredited)
Acting
Marvin Miller
Robby the Robot (voice) (uncredited)
Acting