• 
  Christopher Knopf

  scenarist

• 
  Roger Moore

  Jack
• 
  David Niven

  James - Ducele de Brampton
• 
  Ann Blyth

  Lady Mary
• 
  Edmund Purdom

  Michael Dermott
• 
  Rhys Williams

  Turnkey
• 
  Leonard Carey

  Servant
• 
  Leslie Denison

  Beadle

• 
  Melville Cooper

  Henry Wynch
• 
  Charles Keane

  Paznic
• 
  Paul Cavanagh

  Sir Edward Scott
• 
  John Dehner

  Capt Herrick
• 
  George Sanders

  Charles II
• 
  Alan Mowbray

  Sir Gilbert Talbot
• 
  Ashley Cowan

  Skene

• 
  Michael Dugan

  Husky
• 
  Isobel Elsom

  Mrs. Bennett
• 
  Peter Hansen

  Isaac Newton
• 
  Queenie Leonard

  Apothecary's Wife
• 
  Keith McConnell

  Usher
• 
  Trevor Ward

  Perspiring Man
• 
  Ian Wolfe

  Fell