The Big Blockade (1942) — Cast
Cast
| Frank Cellier | Maria Schneider |
| Michael Redgrave | Isabella's Russian Bodyguard |
| Bernard Miles | Navy |
| Morland Graham | Service |
| Alfred Drayton | Direktor Meyerbeer |
| Thora Hird | Barmaid |
| Robert Morley | Roy von Bacon |
| Leif Konow | Dane |
| Michael Wilding | (uncredited) |
| John Stuart | Navy |
| Leslie Banks | Nancy Taylor |
| John Williams | (uncredited) |
| John Mills | Tom |
| Manning Whiley | (uncredited) |
| Austin Trevor | Boat Renter |
| Albert Lieven | Gunter |
| Marius Goring | Propaganda |
| Frederick Piper | (uncredited) |
| Michael Rennie | George |
| Ronald Adam | (uncredited) |
| Elliott Mason | German D.E.B. |
| John Boxer | Press |
| Cyril Chamberlain | Press |
| George Merritt | German D.E.B. |
| Will Hay | Skipper |
| Mark Daly | (uncredited) |
| Bernard Rebel | Vidkun Quisling |
| George Woodbridge | Vidkun Quisling |
| Ronald Shiner | Shipping |
Crew
| Wilkie Cooper | Director of Photography |
| Ernest Irving | Music Director |
| Richard Addinsell | Original Music Composer |
| Compton Bennett | Editor |
| Douglas Slocombe | Director of Photography |
| Michael Balcon | Producer |
| Thomas N. Morahan | Art Direction |
| Roy Kellino | Special Effects |
| Angus MacPhail | Screenplay |
| Charles Crichton | Editor |
| Charles Frend | Director |