Cast & crew
The Silent Enemy (1958)
Directed by William Fairchild Written by William Fairchild
Cast
| Laurence Harvey | Lieutenant "Buster" Crabb, R.N.V.R. |
| Michael Craig | Leading Seaman Knowles |
| Dawn Addams | Third Officer Jill Masters, W.R.N.S |
| John Clements | The Admiral |
| Sidney James | Chief Petty Officer Thorpe |
| Nigel Stock | Able Seaman Fraser |
| Ian Whittaker | Ordinary Seaman Thomas |
| Alec McCowen | Able Seaman Morgan |
| Arnoldo Foà | Tomolino |
| Gianna Maria Canale | Conchita |
| Giacomo Rossi Stuart | Rosati |
| Carlo Giustini | Fellini |
| Raymond Young | Celloni |
| Massimo Serato | Forzenelli |
| David Lodge | Sergeant |
| Ewen Solon | Willowdale Captain |
| Brian Oulton | Holford |
| Howard Marion-Crawford | Wing Commander |
| Cyril Shaps | Miguel |
| Lee Montague | Miguel's Mate |
| John Lee | Flag Lt. |
| Terence Longdon | Lt Bailey |
| Ian MacNaughton | Admiralty Sentry |
| Alan Webb | British Consul |
| John Moffatt | Diver |
| Harold Siddons | Army Interrogation Officer |
| Michael Brill | Naval Interrogation Officer |
| Jack May | Navy Doctor |
| Derren Nesbitt | Patrol Boat Officer |
| Jerome Willis | Sailor |
| Yvonne Romain | Spanish girl |
Crew
| Marshall Pugh | Novel |
| Otto Heller | Cinematography |
| William Fairchild | Screenplay |
| William Fairchild | Director |
| Ray Hearne | Still Photographer |
| Bertram Ostrer | Producer |
| Alan Osbiston | Editor |
| William Alwyn | Music |