cast
- Charles Grodin
- Chesser
- Candice Bergen
- Maren
- John Gielgud
- Meecham
- Trevor Howard
- Clyde Massey
- James Mason
- Watts
- Helen Cherry
- Lady Bolding
- Jack Watling
- Fitzmaurice
- Jack Watson
- Miller
- Leon Greene
- Toland
- Jimmy Gardner
- Man in Snack Bar
- Richard Montez
- 2nd Manager
- Joe Powell
- Hickey
- Trevor T. Smith
- Men in Vault
- Warwick Sims
- Maren's Friend
- David Rowlands
- Club Manager
- Peter Vaughan
- Coglin
- Cyril Shaps
- Wildenstein
- Clive Morton
- Sir Harold
- Larry Cross
- Whitman
- John Bindon
- Security Officers
crew
- Aram Avakian
- Director
- Elliott Kastner
- Producer
- Charles Grodin
- Screenwriter
- Gerald Browne
- Book Author
- Jeffrey Bloom
- Screenwriter
- Arthur Ibbetson
- Cinematographer
- Michael J. Lewis
- Composer (Music Score)
- Anne V. Coates
- Editor
- Peter Mullins
- Art Director
- Jack Stephens
- Set Designer
- Anthony Mendleson
- Costume Designer
- Danny Daniel
- Sound/Sound Designer
- Jack Causey
- First Assistant Director
- Vic Armstrong
- Stunts
