Directed by
| John Peyser | ||
Writing Credits (in alphabetical order)
| Richard Matheson | ... | (novel) |
| Richard Matheson | ... | (screenplay) |
Cast (in credits order)
| James Drury | ... | Sgt. Cooley | |
| Steve Carlson | ... | Hacker | |
| Jonathan Daly | ... | Guthrie | |
| Robert Pine | ... | Foley | |
 |
Jeff Scott | ... | Lippincott |
|
|
Michael Stanwood | ... | Riley |
|
|
John Alladin | ... | Harris |
| Hank Jones | ... | Fairchild | |
| Tom Nolan | ... | Tremont | |
| Norman Fell | ... | Sgt. Wadley | |
| Buck Young | ... | Schumacher | |
| Kent McCord | ... | Lieutenant (as Kent McWhirter) | |
| Rest of cast listed alphabetically: | |||
|
|
Jon Drury | ||
|
|
Robert Fuca | ... | Soldier (as Robert Angelo) |
| Morgan Jones | ... | Pvt. Horton | |
| Buck Kartalian | ... | Soldier in Squad Attacking Tank | |
| Noam Pitlik | ... | Soldier in Squad Attacking Tank | |
|
|
George Sawaya | ||
| Ron Russell | ... | Chambers (uncredited) | |
Produced by
| Gordon Kay | ... | producer |
Music by
| Milton Rosen | ... | (uncredited) |
Cinematography by
| Loyal Griggs | ... | director of photography |
Editing by
| Russell F. Schoengarth | ||
Art Direction by
| Alexander Golitzen | ||
| Alfred Ybarra | ||
Set Decoration by
| John McCarthy Jr. | ||
| Ralph Sylos | ||
Makeup Department
| Bud Westmore | ... | makeup artist |
Stunts
| Bobby Clark | ... | stunts (uncredited) |
| Tom Sweet | ... | stunts (uncredited) |
