Directed by
| Boris Sagal | ||
Writing Credits
| Adrian Spies | ... | (teleplay) |
| Curt Siodmak | ... | (novel) |
Cast (in credits order)
| David McCallum | ... | Hillel Mondoro | |
| Susan Strasberg | ... | Karen Mondoro | |
| Helmut Käutner | ... | Dr. Kramer (as Helmut Kautner) | |
| Leslie Nielsen | ... | Joseph Slaughter | |
| Robert Webber | ... | Dorsey | |
| Herbert Fleischmann | ... | Werner Renner | |
| Lilli Palmer | ... | Anna Hauser | |
 |
Hans Elwenspoek | ... | van Kungen |
| Peter Capell | ... | Dr. Shepilov | |
|
|
Peter Ehrlich | ... | Kucera |
| Barbara Lass | ... | Angelika | |
| Günter Meisner | ... | Koroviev | |
|
|
Otto Stern | ... | Gen. Gessler |
| Manfred Reddemann | ... | Sorsen | |
| Arthur Brauss | ... | Bak (as Art Brauss) | |
| Jochen Busse | ... | Dieter | |
|
|
Barbara Capell | ... | Young Anna |
Produced by
| Jack Laird | ... | producer |
Music by
| Billy Byers | ... | (as Bill Byers) |
Cinematography by
| Petrus R. Schlömp | ... | director of photography (as Petrus Schloemp) |
Editing by
| Frank Morriss | ... | (as Frank E. Morriss) |
Art Direction by
| Ellen Schmidt | ||
Makeup Department
| Larry Germain | ... | hair stylist |
| Bud Westmore | ... | makeup artist |
Production Management
| Eberhard Junkersdorf | ... | unit manager |
| Wallace Worsley Jr. | ... | production supervisor (as Wallace Worsley) |
| Charles Clement | ... | post production operations head (uncredited) |
Second Unit Director or Assistant Director
| Eva Ebner | ... | assistant director |
| Wieland Liebske | ... | assistant director |
Sound Department
| Gerd Nicklaus | ... | sound |
Costume and Wardrobe Department
| Peter V. Saldutti | ... | costumes by (as Peter Saldutti) |
Editorial Department
| Richard Belding | ... | editorial supervisor |
| Ingrid Wacker | ... | editor: Germany |
Script and Continuity Department
| Esther Vivante | ... | script supervisor |
Additional Crew
| Wayne Fitzgerald | ... | title designer: main title |
