- Virginia McKenna
- Violette Szabo
- Paul Scofield
- Tony Fraser
- Jack Warner
- Mr. Bushell
- Denise Grey
- Mrs. Bushell
- Alain Saury
- Etienne Szabo
- Maurice Ronet
- Jacques
- Anne Leon
- Lillian Rolfe
- Sydney Tafler
- Potter
- Avice Landone
- Vera Atkins
- Nicole Stéphane
- Denise Bloch
- Noel Willman
- Interrogator
- Bill Owen
- N.C.O. Instructor
- Billie Whitelaw
- Winnie
- William Mervyn
- Colonel Buckmaster
- Michael Goodliffe
- Coding Expert
- André Maranne
- Garnier - Garage Man
- Harold Lang
- Commandant Suhren
- Chris Adcock
- German Soldier
- Victor Beaumont
- German Colonel
- Neville Becker
- French Soldier in Hyde Park
- Josef Behrmann
- Gestapo Officer
- Michael Beint
- Gestapo Officer
- Brenda Bennett
- Mother at Birthday Party
- Nigel Bernard
- Shopper / German Officer (uncredited)
- Jim Brady
- German Soldier on Train
- Joan Brown
- Guest in nightclub
- Nicholas Bruce
- German Major
- Michael Caine
- Thirsty Prisoner on Train
- Anna Cameron
- Shopper
- Anne Castaldini
- Minor Role
- Pauline Challoner
- Tania Szabo
- Jimmy Charters
- Prisoner of War
- Donald Churchill
- Roy Bushell
- Jan Conrad
- Rouen Checkpoint Guard
- Betty Cooper
- Miss Shaw
- Michael Cosmo
- Polish Soldier on Bus
- Norma Dale
- Minor Role
- Guy Deghy
- SS Man
- Geoffrey Denton
- Wing Commander
- W. Thorp Deverreux
- Paris Boulevardier
- Max Faulkner
- German Officer on Train
- Ernest Fennemore
- British Soldier / German Soldier (uncredited)
- Peter Forbes-Robertson
- Undetermined Secondary Role
- Raymond Francis
- S.O.E. Officer Bell
- Amanda Godsell
- Tania Szabo - Age 2
- Liselotte Goettinger
- German POW Camp Officer
- Gillian Gore
- Little French Girl
- Alex Graham
- Barman
- Stewart Guidotti
- Boy
- Victoria Harrington
- Child
- Nigel Hawthorne
- Polish Soldier in Park
- John G. Heller
- Gestapo Interrogator
- Jack Hetherington
- Shopper in Raincoat
- Robert Howell
- Minor Role
- Jemma Hyde
- Daughter of Mme. Bruno
- Prudence Hyman
- Woolworth Supervisor
- Jeanette Jacobs
- Minor Role
- Michael Jacques
- Georges
- Barry Johns
- British Soldier
- Patrick Jordan
- Parachute Instructor
- Miriam Karlin
- Jennie Wilson - Bus Conductress
- Geoffrey Keen
- Narrator
- John Kirkup
- Bus Driver
- Gertan Klauber
- German Train Guard
- Vivienne Lacey
- Minor Role
- Anthony Lang
- Prisoner of War
- Robert Langley
- Minor Role
- David Lawton
- French Soldier in Hyde Park
- Tutte Lemkow
- Gaston
- Linda Leo
- Minor Role
- Aileen Lewis
- Shopper in Woolworths
- Enid Lorimer
- Madame Renaud
- Dickey Luck
- SS Officer
- Fred Machon
- French Resistance Man
- Victor Maddern
- Sergeant - Parachute Training Instructor
- Virginia Maskell
- Wren
- Louis Matto
- Prisoner of War
- Mark Mileham
- Child
- Lola Morice
- Shopper
- John Moulder-Brown
- Child
- Tom Naylor
- Naval Officer
- Hal Osmond
- Bus Passenger
- Irene Prador
- Prisoner
- Bernard Rebel
- Rouen Hotel Proprietor
- Myrtle Reed
- Mother at Birthday Party
- Joyce Riley
- Minor Role
- Terry Sartain
- Shopper in Sergeant's Uniform
- John Serret
- French Resistance Worker
- Michael Shabam
- Bob Mortier
- George Spence
- Shopper
- Mary Steele
- Wren Officer
- Marianne Stone
- Mother at Birthday Party
- Julia Sutton
- Bushell Family Friend
- Jackie Swainson
- Perky Blonde
- Peter Swanwick
- Dr. Trommer
- Jack Taylor
- British Prisoner
- Larry Taylor
- German Soldier on Train
- Peter Taylor
- German Sergeant
- Christine Thomas
- Minor Role
- Howard Vaughn
- Minor Role
- Sidney Vivian
- Bus Passenger
- Colin Wall
- John Bushell
- Marianne Walla
- Minor Role
- John H. Watson
- British Prisoner on Train
- Billy Wilmot
- Nightclub Doorman
- Donovan Winter
- British Prisoner
- Paula Wright
- Resistance Fighter
