• 
  John Guillermin

  regizor

• 
  Bryan Forbes

  Lt. Butterfield
• 
  John Mills

  Major Harvey
• 
  Duncan Lamont

  Wing Cdr. Bates
• 
  Gordon Harris

  Staff Sergeant
• 
  Anthony Sagar

  Guard Sergeant (Villa)
• 
  Ronnie Stevens

  M.I.5. Tail
• 
  Walter Gotell

  German Colonel

• 
  Vera Day

  Angela Cook
• 
  Victor Maddern

  Orderly Sergeant
• 
  Patrick Holt

  Col. Dawson
• 
  Geoffrey Hibbert

  Cpl. Cooper
• 
  James Hayter

  Sgt. Adams
• 
  Allan Cuthbertson

  Guards Officer
• 
  Alfie Bass

  The Small Man

• 
  Bill Nagy

  American Captain
• 
  Marius Goring

  Karl Nielson
• 
  John Le Mesurier

  Adjutant R.A.P.C.
• 
  Desmond Roberts

  Brigadier
• 
  Steven Berkoff

  extra
• 
  Marne Maitland

  Arab Proprietor
• 
  Michael Bell

  American M.O.
• 
  Sid James

  Porter Y.M.C.A.
• 
  Michael Hordern

  Governor of Gibraltar
• 
  Max Butterfield

  Guards Officer
• 
  MacDonald Parke

  American General
• 
  Cecil Parker

  Col. E.F. Logan
• 
  Harry Fowler

  Civilian (End Scene)
• 
  Frederick Jaeger

  Junior German Officer
• 
  John Clarke

  Lt. Butterfield
• 
  Leslie Phillips

  Major Tennant

• 
  William Hutchinson (II)

  art director
• 
  John Addison

  departament sunet
• 
  John Jympson

  editorial department
• 
  Stuart Freeborn

  make-up department
• 
  Captain John Crewdson

  miscellaneous crew
• 
  John Addison

  music department
• 
  Maxwell Setton

  producător
• 
  Wilfred Shingleton

  design de producţie
• 
  Bryan Forbes

  scriitor
• 
  John Clarke

  scriitor