- Author:
- Rafael Sabatini
- Adapted by:
- Constance Cox
- Producer:
- Naomi Capon
- Designer:
- John Cooper
- Film Cameraman:
- Jimmy Gemmell
- Film Editor:
- Valerie Best
- La Salle:
- Barry Letts
- Jean de Batz:
- Patrick Cargill
- Chaumette:
- Michael Brennan
- First guard:
- Douglas Dempster
- Second guard:
- Jack Smethurst
- Madame Simon:
- Bee Duffell
- Simon:
- George Coulouris
- Baron Von Ense:
- Peter Bull
- Louis-Charles:
- Ronnie Raymond
- Landlady:
- Rosamund Greenwood
- Desmarets, Captain of the Guard National:
- Patrick Crean
- Trooper of the National Guard:
- Ivor Salter
- Trooper of the National Guard:
- Richard Carpenter
- Servant:
- Michael Seaver
- Woman at Geneva:
- Louise Nicol
- Ship's Chandler:
- Jack Smethurst
- Cheese maker:
- Tony Bronte
- Other parts played by:
- Patricia Berry
- Other parts played by:
- Sheldon Allan
- Other parts played by:
- Owen Berry
- Other parts played by:
- Howell Davies
- Other parts played by:
- Michael Jacques
- Other parts played by:
- Ivor Kimmel
- Other parts played by:
- Patrick Milner
- Other parts played by:
- Ronald Mayer
- Other parts played by:
- Ray Roberts
- Other parts played by:
- Len Royle