- Writer:
- Duncan Ross
- Music composed by:
- Tristram Cary
- Film cameraman:
- Peter Sargent
- Film editor:
- Pam Bosworth
- Designer:
- Fanny Taylor
- Producer/Director:
- Christopher Barry
- Pat Penmore:
- Caroline Blakiston
- Policeman:
- Clifford Cox
- Mary:
- Armine Sandford
- Ian Lambart:
- Willlam Franklyn
- Trev:
- Patrick Troughton
- Alice:
- Wendy Gifford
- Emma Cresswell:
- Lana Morris
- Det Chief Supt Gage:
- Cyril Luckham
- Donald Fraser:
- Jack Stewart
- Van Hove:
- John Richmond
- Police Sergeant:
- Norman Mitchell
- Vallins:
- Rio Fanning
- Atkins:
- Geoffrey Lewis
- Hawkins:
- Peter Thomas
- Sergeant Rose:
- Manning Wilson
- John:
- Richard Armour
- Patrick:
- John Kelly
- Trelawney:
- Tommy Duggan
