- Charles Grodin
- Howard R. Chesser
- Candice Bergen
- Maren Shirell
- James Mason
- Charles D. Watts
- Trevor Howard
- Clyde Massey
- John Gielgud
- Meecham
- Helen Cherry
- Lady Anne Bolding
- Peter Vaughan
- Coglin
- Cyril Shaps
- Wildenstein - the Diamond Cutter
- Leon Greene
- Max Toland
- Jack Watson
- Miller
- Jack Watling
- Fitzmaurice
- Clive Morton
- Sir Harold
- Larry Cross
- Whitman
- Glynn Edwards
- First Guard
- John Bindon
- Second Guard
- Joe Powell
- Hickey
- Michael Gover
- Doctor
- Michael Hawkins
- Patient
- Patricia Michael
- Stewardess
- Peter Forbes-Robertson
- Hotel Manager
- Gilbert François
- Croupier
- Jimmy Gardner
- Man in Snack Bar
- Rick Lester
- Massey's Horseman
- Rory McDonald
- Rich Young Man
- Ricardo Montez
- 2nd Manager
- David Rowlands
- Club Manager
- Warwick Sims
- Maren's Friend
- Trevor T. Smith
- Man in Vault
- Guy Standeven
- Airport Official
- Donald Tandy
- Man in Vault
