Credits
Cast

Gerald Mohr
Col. Thomas O`Bannion

Naura Hayden
Dr. Iris Ryan

Les Tremayne
Prof. Theodore Gettell

Jack Kruschen
CWO Sam Jacobs
Paul Hahn
Maj. Gen. George Treeger

J. Edward McKinley
Prof. Paul Weiner
Tom Daly
Dr. Frank Gordon
Don Lamond
TV Newscaster / Narrator / Martian (voice)
Edward Innes
Brig. Gen. Alan Prescott
Gordon Barnes
Maj. Lyman Ross
Jack Haddock
Lt. Col. Davis
Brandy Bryan
Nurse Hayes
Joan Fitzpatrick
Nurse Dixon
Duke Norton
Dr. Muller
William Remick
Dr. Hawley
David De Haven
Air Force News Photographer

Arline Hunter
Joan

Alean 'Bambi' Hamilton
Joan's Friend
Fred Ross
Air Force News Photographer
Camera
Bert Eason
Assistant Camera
Robert Johannes
Camera Operator

Stanley Cortez
Director of Photography
Roger Mace
Still Photographer
Costume & Make-Up
Lillian Shore
Hairstylist

David Newell
Makeup Artist
Crew
Arthur Wasson
Property Master
Mel Sternlight
Property Master
Herman E. Townsley
Special Effects
Directing

Ib Melchior
Director, Screenplay
Hazel W. Hall
Script Supervisor
Editing
Ivan J. Hoffman
Editor
Production
Lou Perlof
Associate Producer
Norman Maurer
Producer, Production Design
Sound
Paul Dunlap
Original Music Composer
Victor B. Appel
Sound Mixer
Writing
Sidney W. Pink
Screenplay, Producer, Story