• 
  Basil Dearden

  regizor

• 
  Ian Bannen

  Garage Pump Attendant.
• 
  Leslie Phillips

  Harry, a sailor
• 
  Fred Griffiths

  Sailor on Barge.
• 
  Christopher Hewett

  Mike
• 
  Arthur Mullard

  Seaman on the Dunbar
• 
  Earl Cameron

  Johnny Lambert
• 
  Victor Maddern

  First Tram Conductor

• 
  Bonar Colleano

  Dan MacDonald
• 
  John Longden

  Det. Insp. Williams
• 
  John Warwick

  Inspector Jim Moss
• 
  George Benson

  George
• 
  Russell Waters

  Sgt, River Police.
• 
  Campbell Singer

  Station Sgt.
• 
  Alfie Bass

  Alf, a henchman

• 
  James Robertson Justice

  Engine Room Officer Trotter
• 
  Moira Lister

  Maisie
• 
  Michael Golden

  Customs Officer Andrews
• 
  Renee Asherson

  Sally
• 
  Laurence Naismith

  Commissionaire
• 
  Arthur Bentley

  Pamela's boyfriend
• 
  Max Adrian

  Charlie Vernon - acrobat / George
• 
  Joan Dowling

  Pamela, Maisie's sister
• 
  Susan Shaw

  Pat

• 
  Jim Morahan (I)

  art director
• 
  Ken Westbury

  camera and electrical departme
• 
  John Addison

  departament sunet
• 
  Anthony Mendleson

  costume
• 
  Ron Beck

  costume and wardrobe departmen
• 
  Peter Tanner

  montaj
• 
  Roy Baker (II)

  editorial department
• 
  Ernest Irving

  music department
• 
  Michael Relph

  producător
• 
  Michael Balcon

  producător
• 
  Hal Mason

  production manager
• 
  Norman Priggen

  second unit director or assist
• 
  Jack Whittingham

  scriitor
• 
  John Eldridge

  scriitor