David Niven
Lieutenant Jim Perry
Stanley Holloway
Pvt. Ted Brewer
James Donald
Pvt. Evans Lloyd
John Laurie
Pvt. Luke
Leslie Dwyer
Pvt. Sid Beck
Hugh Burden
Pvt. Bill Parsons
Raymond Huntley
Pvt. Herbert Davenport
Jimmy Hanley
Pvt. Geoffrey Stainer
William Hartnell
Sgt. Ned Fletcher
Reginald Tate
The Training Company Commanding Officer
Leo Genn
Captain Edwards
John Ruddock
Old Chelsea Soldier
A. Bromley Davenport
Old Chelsea Soldier
Renée Asherson
Marjorie Gillingham
Mary Jerrold
Mrs. Gillingham
Raymond Lovell
Mr. Jackson
Jack Watling
Sgt. Buster
Peter Ustinov
Rispoli
Lloyd Pearson
Sam Thyrtle
Penelope Dudley-Ward
Mrs. Perry
Esma Cannon
Mrs. Ted Brewer
Eileen Erskine
Mrs. Bill Parsons
Grace Arnold
Mrs. Ned Fletcher
Tessie O'Shea
Herself
Trevor Howard
Officer on Ship (uncredited)
George Merritt
Sergeant Major (uncredited)
Tracy Reed
Perry's Daughter (uncredited)
A.E. Matthews
Colonel Walmsley
John Boxer
Soldier in Pub Talking to the Chelsea Pensioners (uncredited)
Peggy Carlisle
Minor Role (uncredited)
Alf Goddard
Instructor (uncredited)
David Hutcheson
Garage Customer in Car (uncredited)
Benita Lydal
ENSA Artist (uncredited)
Andreas Malandrinos
Gendarme in Café (uncredited)
John Salew
Sam - Friend of Pvt. Lloyd in Pub Scene (uncredited)
Johnnie Schofield
Lewis Gun Instructor (uncredited)
Winifred Willard
Minor Role (uncredited)
Ben Williams
Pessimistic Man Talking to the Chelsea Pensioners (uncredited)
John Sutro
Producer
Herbert Smith
Executive Producer
Stanley Haynes
Producer
Eric Ambler
Story
Norman Walker
Producer
David Rawnsley
Art Direction
Clive Donner
Editor
Eric Ambler
Screenplay
Fergus McDonell
Editor
Peter Ustinov
Screenplay
Carol Reed
Director
Irene Howard
Casting
William Alwyn
Original Music Composer
Guy Green
Director of Photography
Muir Mathieson
Music Director
Bill Warrington
Special Effects
Frank Bevis
Assistant Director
Henry Harris
Special Effects
Wally Fairweather
Clapper Loader
George Paternoster
Boom Operator
Desmond Dew
Sound Recordist
C. C. Stevens
Sound Recordist