• 
  Sidney Gilliat

  regizor

• 
  George Sanders

  Andrew Lippincott
• 
  Peter Bowles

  Reuben Brown
• 
  Walter Gotell

  Constantine
• 
  Patience Collier

  Miss Townsend
• 
  Hayley Mills

  Fenella 'Ellie' Thomsen
• 
  Nicholas Courtney

  Second Auctioneer
• 
  Leo Genn

  Psychiatrist

• 
  Britt Ekland

  Greta
• 
  Windsor Davies

  Sergeant Reene
• 
  Lois Maxwell

  Cora Walker Brown
• 
  Per Oscarsson

  Santonix
• 
  Hywel Bennett

  Michael Rogers
• 
  David Bauer

  Uncle Frank
• 
  Helen Horton

  Aunt Beth

• 
  Aubrey Richards

  Dr. George Philpott
• 
  Madge Ryan

  Michael's Mother
• 
  Ann Way

  Mrs. Dorothy Philpott

• 
  Fred Carter

  art director
• 
  Harry Waxman

  imagine
• 
  Bernard Herrmann

  departament sunet
• 
  John Furniss

  costume
• 
  Thelma Connell

  montaj
• 
  Bernard Herrmann

  music department
• 
  Howard Blake

  music department
• 
  Sidney Gilliat

  producător
• 
  Wilfred Shingleton

  design de producţie
• 
  Bill Rowe

  sound department
• 
  Agatha Christie

  scriitor
• 
  Sidney Gilliat

  scriitor