- Anthony Hopkins
- Philip Calvert
- Robert Morley
- Sir Arthur Artford Jones ('Uncle Arthur')
- Nathalie Delon
- Charlotte
- Jack Hawkins
- Sir Anthony Skouras
- Corin Redgrave
- Roy Hunslett
- Derek Bond
- Lord Charnley
- Ferdy Mayne
- Lavorski
- Maurice Roëves
- Lt. Williams - Helicopter Pilot
- Leon Collins
- Tim Hutchinson
- Wendy Allnutt
- Sue Kirkside
- Peter Arne
- Capt. Imrie
- Oliver MacGreevy
- Quinn
- Jon Croft
- Durran
- Tom Chatto
- Lord Kirkside
- Charlie Stewart
- Sgt. Macdonald
- Edward Burnham
- Macullum
- Del Henney
- Dungeon Guard
- Peter Brace
- Thug
- Bill Brandon
- Thug
- Maurice Bush
- Thug
- George Lane Cooper
- Gunman
- Harry Fielder
- Thug on Boat
- Martin Grace
- Thug
- Charles Gray
- Sir Anthony Skouras
- Prentis Hancock
- Agent
- Reg Harding
- Henchman
- Barrie Hesketh
- Seaman
- Bill Hibbert
- Thug
- George Leech
- Thug
- Mark McBride
- Guard
- Robert Rietty
- BBC Radio Newsreader
- Doug Robinson
- Guard killed with crossbow by Calvert
