• 
  J. Lee Thompson

  regizor

• 
  John Hawkesworth

  scenarist

• 
  John Mills

  Graham
• 
  Horst Buchholz

  Korchinsky
• 
  Hayley Mills

  Gillie
• 
  George Pastell

  'POLOMA' Captain
• 
  Yvonne Mitchell

  Anya
• 
  Megs Jenkins

  Mrs. Phillips

• 
  Meredith Edwards

  P.C. Williams
• 
  Kenneth Griffith

  Choirmaster
• 
  Marne Maitland

  Dr. Das
• 
  Rachel Thomas

  Mrs. Parry
• 
  Edward Cast

  Det. Con. Thomas
• 
  Michael Anderson Jr.