• 
  Aram Avakian

  regizor

• 
  Candice Bergen

  Maren Shirell
• 
  James Mason

  Charles D. Watts
• 
  Leon Greene

  Max Toland, Jewel Thief
• 
  Jack Watson

  Miller, 11 Harrowhouse Security
• 
  Charles Grodin

  Howard R. Chesser
• 
  John Gielgud

  Meecham
• 
  John Bindon

  Second Guard

• 
  Trevor Howard

  Clyde Massey
• 
  Larry Cross

  Whitman
• 
  Cyril Shaps

  Wildenstein, the Diamond Cutter
• 
  Peter Vaughan

  Coglin
• 
  Michael Gover

  Doctor on Plane
• 
  Helen Cherry

  Lady Anne Bolding

• 
  Frederick Cooper

  camera and electrical departme

• 
  Arthur Ibbetson

  imagine
• 
  Michael J. Lewis

  departament sunet
• 
  Anthony Mendleson

  costume and wardrobe departmen
• 
  Anne V. Coates

  montaj
• 
  Basil Newall

  make-up department
• 
  Marion Rosenberg

  miscellaneous crew
• 
  Michael J. Lewis

  music department
• 
  Elliott Kastner

  producător
• 
  Jack Stephens

  set decorator
• 
  Jonathan Bates (I)

  sound department
• 
  John Hayward (I)

  sound department
• 
  Charles Grodin

  scriitor
• 
  Jeffrey Bloom

  scriitor