• 
  Don Siegel

  regizor

• 
  Leigh Vance

  scenarist

• 
  Michael Caine

  John Tarrant
• 
  Donald Pleasence

  Cedric Harper
• 
  Delphine Seyrig

  Ceil Burrows
• 
  Jacques Ciron
• 
  Janet Suzman

  Alex Tarrant
• 
  Hermione Youlanda Ruby Clinton-Baddeley

  Hetty

• 
  Edward Hardwicke

  Mike McCarthy
• 
  Joyce Carey

  Miss Monley - Harper's Secretary
• 
  Preston Lockwood

  Ilkeston - the bank manager
• 
  John Rhys-Davies

  Fake Military Policeman
• 
  Catherine Schell

  Lady Melissa Julyan
• 
  Joss Ackland

  Chief Supt. Wray
• 
  George A. Cooper

  Pincus

• 
  Yves Afonso

  Jacques
• 
  John Vernon

  McKee
• 
  David Daker

  MI5 Man
• 
  Denis Quilley

  Bateson
• 
  Derek Newark

  Monitoring Policeman
• 
  Michael Scott

  Maj. John Tarrant
• 
  Russell Napier

  Adm. Ballantyne
• 
  Robert Dorning

  Jeweller
• 
  Clive Revill

  Alf Chestermann

• 
  David Brown

  producător executiv