Gerald Mohr
Col. Thomas O`Bannion
Acting
Naura Hayden
Dr. Iris Ryan
Acting
Les Tremayne
Prof. Theodore Gettell
Acting
Jack Kruschen
CWO Sam Jacobs
Acting
Paul Hahn
Maj. Gen. George Treeger
Acting
J. Edward McKinley
Prof. Paul Weiner
Acting
Tom Daly
Dr. Frank Gordon
Acting
Don Lamond
TV Newscaster / Narrator / Martian (voice)
Acting
Edward Innes
Brig. Gen. Alan Prescott
Acting
Gordon Barnes
Maj. Lyman Ross
Acting
Jack Haddock
Lt. Col. Davis
Acting
Brandy Bryan
Nurse Hayes
Acting
Joan Fitzpatrick
Nurse Dixon
Acting
Duke Norton
Dr. Muller
Acting
William Remick
Dr. Hawley
Acting
David De Haven
Air Force News Photographer
Acting
Arline Hunter
Joan
Acting
Alean 'Bambi' Hamilton
Joan's Friend
Acting
Fred Ross
Air Force News Photographer
Acting