| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alexander Golitzen | Crew | Art | Art Direction |
 Bud Westmore | Crew | Costume & Make-Up | Makeup Artist |
D.F. Jones | Crew | Writing | Novel |
 Edith Head | Crew | Costume & Make-Up | Costume Design |
Folmar Blangsted | Crew | Editing | Editor |
Gene Polito | Crew | Camera | Director of Photography |
 James Bridges | Crew | Writing | Screenplay |
 John J. Lloyd | Crew | Art | Art Direction |
John McCarthy Jr. | Crew | Art | Set Decoration |
 Joseph Sargent | Crew | Directing | Director |
Larry Germain | Crew | Costume & Make-Up | Hairstylist |
 Michel Colombier | Crew | Sound | Original Music Composer |
Ronald Pierce | Crew | Sound | Sound |
Ruby R. Levitt | Crew | Art | Set Decoration |
Stanley Chase | Crew | Production | Producer |
Terry Kellum | Crew | Sound | Sound |
Waldon O. Watson | Crew | Sound | Sound |
Robin S. Clark | Crew | Directing | Assistant Director |
Bert Steinberger | Crew | Crew | Dialogue Coach |
 Alex Rodine | Cast | Actor | Dr. Kuprin |
 Byron Morrow | Cast | Actor | Secretary of State |
 Dolph Sweet | Cast | Actor | Missile Commander |
 Eric Braeden | Cast | Actor | Dr Charles Forbin |
Fred Holliday | Cast | Actor | Military Computer Entry - Missile Launch (uncredited) |
 Georg Stanford Brown | Cast | Actor | Dr. John F. Fisher |
 Gordon Pinsent | Cast | Actor | The President |
 James Hong | Cast | Actor | Dr. Chin |
Leonid Rostoff | Cast | Actor | Russian Chairman |
 Lew Brown | Cast | Actor | Peterson |
 Marion Ross | Cast | Actress | Angela Fields |
 Martin E. Brooks | Cast | Actor | Dr. Jefferson J. Johnson |
 Paul Frees | Cast | Actor | Colossus (voice) (uncredited) |
 Robert Cornthwaite | Cast | Actor | First Scientist |
 Robert Quarry | Cast | Actor | Scientist (uncredited) |
 Sid McCoy | Cast | Actor | Secretary of Defense |
 Susan Clark | Cast | Actress | Dr. Cleo Markham |
 Tom Basham | Cast | Actor | Thomas L. Harrison |
 Willard Sage | Cast | Actor | Dr. Blake |
 William Schallert | Cast | Actor | CIA Director Grauber |
 William Traylor | Cast | Actor | Party Guest (uncredited) |
 Don Ross | Cast | Actor | Logan US Air Force (uncredited) |
| Person | Type | Job | Role(s) |
