| Person | Type | Job | Role(s) |
|---|---|---|---|
 Ad Schaumer | Crew | Directing | Assistant Director |
Art Cruickshank | Crew | Crew | Special Effects |
 Ben Nye | Crew | Costume & Make-Up | Makeup Artist |
Bernard Freericks | Crew | Sound | Sound |
 Dale Hennesy | Crew | Art | Art Direction |
David Dockendorf | Crew | Sound | Sound |
David Duncan | Crew | Writing | Adaptation |
Emil Kosa Jr. | Crew | Crew | Special Effects |
Eric Stacey | Crew | Production | Unit Production Manager |
Ernest Laszlo | Crew | Camera | Director of Photography |
Fred Zendar | Crew | Crew | Technical Advisor |
 Harper Goff | Crew | Production | Researcher |
 Harry Kleiner | Crew | Writing | Screenplay |
Jack Martin Smith | Crew | Art | Art Direction |
 Jerome Bixby | Crew | Writing | Story |
L.B. Abbott | Crew | Crew | Special Effects |
 Leonard Rosenman | Crew | Sound | Original Music Composer |
Margaret Donovan | Crew | Costume & Make-Up | Hairstylist |
 Richard Fleischer | Crew | Directing | Director |
Richard Kuhn | Crew | Art | Title Designer |
 Saul David | Crew | Production | Producer |
Stuart A. Reiss | Crew | Art | Set Decoration |
Walter M. Scott | Crew | Art | Set Decoration |
William B. Murphy | Crew | Editing | Editor |
Otto Klement | Crew | Writing | Story |
Peter Foy | Crew | Crew | Aerial Coordinator |
 Arthur Kennedy | Cast | Actor | Dr. Duval |
 Arthur O'Connell | Cast | Actor | Col. Donald Reid |
 Barry Coe | Cast | Actor | Communications Aide |
 Brendon Boone | Cast | Actor | Military Policeman (uncredited) |
 Christopher Riordan | Cast | Actor | Young Scientist (uncredited) |
 Donald Pleasence | Cast | Actor | Dr. Michaels |
 Edmond O'Brien | Cast | Actor | General Carter |
 James Brolin | Cast | Actor | Technician |
 James Doohan | Cast | Actor | Dr. Sawyer (Hypothermia technician) (uncredited) |
 Jean Del Val | Cast | Actor | Jan Benes |
 Ken Scott | Cast | Actor | Secret Service |
 Kenneth MacDonald | Cast | Actor | Henry - Heart Monitoring (uncredited) |
 Raquel Welch | Cast | Actress | Cora |
 Shelby Grant | Cast | Actress | Nurse |
 Stephen Boyd | Cast | Actor | Grant |
 William Redfield | Cast | Actor | Capt. Bill Owens |
Brendan Fitzgerald | Cast | Wireless Operator | |
| Person | Type | Job | Role(s) |
