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.
Gerry Fisher | Producer |
Brian Smedley-Aston | Editor |
Herbert Brodkin | Producer |
David Greene | Director |
Michael Powell | Producer |
Gerald Vaughan-Hughes | Screenplay |
Richard Williams | Opening Title Sequence |
Wilfred Shingleton | Production Design |
Terence Morgan | Set Decoration |
Clifton Brandon | Production Manager |