Sebastian is an undisciplined mathematics genius who works in the "cipher bureau" of the British Intelligence. While cracking enemy codes, Sebastian finds time to romance co-worker Rebecca Howard.
Brian Smedley-Aston | Editor |
Michael Powell | Producer |
David Greene | Director |
Gerry Fisher | Producer |
Herbert Brodkin | Producer |
Gerald Vaughan-Hughes | Screenplay |
Richard Williams | Opening Title Sequence |
Edith Hamlin | Casting |
Fred Carter | Art Direction |
Alf Pegley | Property Master |