 | John Wayne als Col. Jim Shannon |
 | Janet Leigh als Lt. Anna Marladovna Shannon / Olga Orlief |
 | Jay C. Flippen als Maj. Gen. Black |
 | Paul Fix als Maj. Rexford |
 | Richard Rober als FBI Agent George Rivers |
 | Roland Winters als Col. Sokolov |
 | Hans Conried als Col. Matoff |
 | Ivan Triesault als Gen. Dimitri Langrad |
 | Joyce Compton als Mary Lou Simpson |
 | Denver Pyle als Mr. Simpson |
 | Perdita Chandler als Georgie Rexford |
| Josef von Sternberg | Director |
| Jules Furthman | Writer |
| Mel Berns | Makeup Department Head |
| Fred Fleck | Assistant Director |
| Eddie Pyle | Camera Operator |
| Ralph Wildman | Grip |
| Rod Tolmie | Still Photographer |
| Annabell Levy | Hairstylist |
| James Lane | Second Unit Director |
| Albert S. D'Agostino | Art Direction |
| Feild M. Gray | Art Direction |
| Harley Miller | Set Decoration |
| Darrell Silvera | Set Decoration |
| Winton C. Hoch | Cinematography |
| Jules Furthman | Producer |
| Howard Hughes | Producer |
| Bronislau Kaper | Music |
| Harry Marker | Editor |
| Michael R. McAdam | Editor |
| Dick Stockton | Casting |
| Michael Woulfe | Costume Design |
| Larry Germain | Hairstylist |
| Layne Britton | Makeup Artist |
| Web Overlander | Makeup Artist |
| Walter Daniels | Production Manager |
| John Burch | Assistant Production Manager |
| Terry Kellum | Sound |
| Earl A. Wolcott | Sound |
| Daniel Hays | Special Effects |
| Jack Lannan | Special Effects |
| Hans F. Koenekamp | Camera Operator |
| C. Bakaleinikoff | Conductor |
