cast
- Richard Attenborough
- John Reginald Christie
- Judy Geeson
- Beryl Evans
- John Hurt
- Timothy John Evans
- Pat Heywood
- Mrs. Ethel Christie
- Isobel Black
- Alice
- Robert Hardy
- Malcolm Morris
- Geoffrey Chater
- Christmas Humphreys
- Bernard Lee
- Inspector 'J'
- David Jackson
- Constable
- Douglas Blackwell
- Workman Jones
- Gabrielle Daye
- Mrs. Lynch
- Phyllis McMahon
- Muriel Eady
- Margaret Boyd
- Old Lady
- Sam Kydd
- Furniture Dealer
- Norman Henry
- Medical Board
- George Lee
- Constable
- Jimmy Gardner
- Mr. Lynch
- Ray Barron
- Workman Willis
- Edwin Brown
- Hangman
- Richard Coleman
- Constable
- Jack Carr
- Constable
- Basil Dignam
- Medical Board Member
- Reg Lye
- Tramp
- Tony Thawnton
- Desk Sergeant
- Andre Morell
- Judge Lewis
- Rudolph Walker
- West Indian
- Tenniel Evans
- Det. Sergeant
- Howard Lang
- Men in Pub
- Edward Burnham
- Medical Board Member
- Edward Evans
- Det. Sergeant
- Norma Shebbeare
- Woman In Cafe
- Tommy Ansah
- West Indian
- Miss Riley
- Baby Geraldine
- Edward Cast
- Plainclothes Sergeant
crew
- Richard Fleischer
- Director
- Leslie Linder
- Producer
- Martin Ransohoff
- Producer
- Clive Exton
- Screenwriter
- Ludovic Kennedy
- Book Author
- Denys Coop
- Cinematographer
- Johnny Dankworth
- Musical Direction/Supervision, Composer (Music Score)
- Ernest Walter
- Editor
- Maurice Carter
- Art Director
- Basil Appleby
- Associate Producer
- Andrew Campbell
- Set Designer
- Colin Miller
- Sound/Sound Designer
- Terry Marcel
- First Assistant Director
- Stuart Freeborn
- Makeup
