Directed by
| Lamont Johnson | ||
Writing Credits
| Leslie P. Davies | ... | (novel) (as L.P. Davies) |
| Douglas Heyes | ... | (screenplay) (as Matthew Howard) |
Cast (in credits order) verified as complete
| George Peppard | ... | Tuxan | |
| Michael Sarrazin | ... | John David Welles / Peter Bellamy | |
| Christine Belford | ... | Nicole Devon | |
| Cliff Potts | ... | Carl Mosely | |
| James Olson | ... | Sen. Stanton | |
| Tim O'Connor | ... | Frank Gossage | |
| James McEachin | ... | Bender | |
| Alan Oppenheimer | ... | Gen. Hackett | |
 |
Roger Dressler | ... | Charlie Kitchen |
|
|
Ty Haller | ... | Henshaw |
| Anna Hagan | ... | Dr. Plover (as Anna Hagen) | |
| Hagan Beggs | ... | Dr. Hager (as Hagen Beggs) | |
|
|
John Destry | ... | Sgt. Zabrinski (as John Destry Adams) |
|
|
Milos Zatovic | ... | Dr. Zahl |
| Don Granbery | ... | Technician (as Don Granberry) | |
|
|
Robin Coller | ... | Secretary |
|
|
Bob Meneray | ... | MP Sergeant |
|
|
Richard Sergeant | ... | MP |
|
|
Ed Collier | ... | Nicole's Doctor |
| Mitch Mitchell | ... | MP (as John Mitchell) | |
|
|
Martin Moore | ... | MP |
|
|
Don Vance | ... | Reporter |
| William Nunn | ... | Reporter | |
|
|
Peter Lavender | ... | Reporter |
| Barry Cahill | ... | Reporter | |
Produced by
| Frank Arrigo | ... | associate producer |
| Earl A. Glick | ... | executive producer |
| Hal Roach Jr. | ... | executive producer (uncredited) |
| Trevor Wallace | ... | producer (produced by) |
Music by
| Paul Hoffert | ||
Cinematography by
| Michael Reed | ... | director of photography |
Editing by
| Edward M. Abroms | ||
Set Decoration by
| John Stark | ... | (uncredited) |
Makeup Department
| Werner Keppler | ... | makeup artist: men |
| Phyllis Newman | ... | makeup artist: women |
Production Management
| Harvie McCracken | ... | unit production manager |
Second Unit Director or Assistant Director
| Roger Good | ... | assistant director |
| Jim Scott | ... | assistant director |
Art Department
| Cameron Porteous | ... | set designer |
Sound Department
| John W. Gusselle | ... | sound mixer (as John Guselle) |
Special Effects by
| Herbert Ewing | ... | special effects |
Stunts
| David Ostere | ... | stunt coordinator |
| Alex Green | ... | stunts (uncredited) |
| Bob Herron | ... | stunts (uncredited) |
Camera and Electrical Department
| Ron Drinkwater | ... | focus puller (uncredited) |
Costume and Wardrobe Department
| Ilse Richter | ... | wardrobe |
Editorial Department
| Frederic L. Knudtson | ... | associate editor (as Frederick L. Knudtson) |
| Bill Lewthwaite | ... | associate editor |
| Roy Piper | ... | associate editor |
Script and Continuity Department
| Margaret Hanly | ... | script supervisor |
Additional Crew
| Pat Prowd | ... | unit publicist (uncredited) |
