• 
  John Wood

  Army officer
• 
  Peter Sellers

  Dodger Lane
• 
  Arthur Mullard

  Fred
• 
  Maurice Denham

  The Governor
• 
  Irene Handl

  Mrs. Price
• 
  Liz Fraser

  Ethel
• 
  George Woodbridge

  Chief P.O. Jenkins
• 
  Wilfrid Hyde-White

  Soapy Stevens

• 
  Cyril Chamberlain

  Gate Warder (Day)
• 
  Lionel Jeffries

  Chief P.O. Crout
• 
  Noel Hood

  Miss Prescott
• 
  Beryl Reid

  Miss Pringle
• 
  Thorley Walters

  Col. Parkright
• 
  Warren Mitchell

  Tailor
• 
  Larry Taylor

  Quarry Prison Warder

• 
  Bernard Cribbins

  Lennie Price
• 
  Edwin Brown

  Warder Charlie
• 
  Wallas Eaton

  Gate Warder (Night)
• 
  David Lodge

  Jelly Knight
• 
  Myrette Morven

  Miss Meakin

• 
  John Box

  art director
• 
  Dennis C. Lewiston

  camera and electrical departme
• 
  Geoffrey Faithfull

  imagine
• 
  Teddy Mason

  sound department
• 
  Alan Hackney

  scriitor