Trailer
Images
 | Gary Cooper as Gideon Patch |
 | Charlton Heston as John Sands |
 | Michael Redgrave as Mr. Nyland |
 | Virginia McKenna as Janet Taggart |
 | Richard Harris as Higgins |
 | Emlyn Williams as Sir Wilfred Falcett |
 | Alexander Knox as Petrie |
 | Cecil Parker as Inquiry Chairman |
 | Ben Wright as Mike Duncan |
 | Peter Illing as Gunderson |
 | Terence de Marney |
 | Ashley Cowan |
 | Charles Davis |
 | John Le Mesurier as Attorney |
 | Noel Drayton as Charlie Bell |
| John Dearth as Reporter |
 | Paul Bryar as Port Official (uncredited) |
 | Albert Carrier as Ambulance Attendant (uncredited) |
 | Louis Mercier as Commander of Police (uncredited) |
| Ron Nyman as Seaman (uncredited) |
 | Lomax Study as Photographer (uncredited) |
| Directing | |
| Michael Anderson | Director |
Writing | |
| Eric Ambler | Screenplay |
Camera | |
| Joseph Ruttenberg | Director of Photography |
Production | |
| Julian Blaustein | Producer |
Sound | |
| George Duning | Music |
Costume & Make-Up | |
| William Tuttle | Makeup Designer |
Writing | |
| Hammond Innes | Novel |
Editing | |
| Eda Warren | Editor |
