• 
  Eric Till

  regizor

• 
  Ira Wallach

  scenarist

• 
  Peter Ustinov

  Marcus Pendleton
• 
  Maggie Smith

  Patty Terwilliger Smith
• 
  Karl Malden

  Carlton J. Klemper
• 
  Cesar Romero

  Customs Inspector
• 
  Sally Faulkner

  Stewardess on Rio Plane
• 
  Kynaston Reeves

  Quayle

• 
  Anthony Sharp

  Hollis
• 
  Bob Newhart

  Willard C. Gnatpole
• 
  Robert George

  Willard C. Gnatpole
• 
  Frank Singuineau

  Customs Man in Rio
• 
  William Mervyn

  Sir Charles Wilson
• 
  Paul Farrell

  Larry
• 
  Elizabeth Counsell

  Miss Glyn

• 
  Raymond Huntley

  Bayswater
• 
  Ann Lancaster

  Pendleton's Landlady