Character Name : Wing Commander Guy Gibson, V.C., D.S.O., D.F.C.

Original Name : Richard Todd

Gender : Male

Character Name : Doctor B. N. Wallis, C.B.E., F.R.S.

Original Name : Michael Redgrave

Gender : Male

Character Name : Mrs. Wallis

Original Name : Ursula Jeans

Gender : Female

Character Name : Air Chief Marshal Sir Arthur Harris G.C.B., O.B.E., A.F.C.

Original Name : Basil Sydney

Gender : Male

Character Name : Captain Joseph (Mutt) Summers, C.B.E.

Original Name : Patrick Barr

Gender : Male

Character Name : Air Vice-Marshal The Hon. Ralph Cochrane G.B.E., K.C.B., A.F.C.

Original Name : Ernest Clark

Gender : Male

Character Name : Group Captain J. N. H. Whitworth, D.S.O., D.F.C.

Original Name : Derek Farr

Gender : Male

Character Name : Doctor

Original Name : Charles Carson

Gender : Male

Character Name : Sir David Pye, C.B., F.R.S.

Original Name : Stanley Van Beers

Gender : Male

Character Name : Doctor W.H. Glanville, C.B., C.B.E.

Original Name : Colin Tapley

Gender : Male

Character Name : Committee Member

Original Name : Frederick Leister

Gender : Male

Character Name : Committee Member

Original Name : Eric Messiter

Gender : Male

Character Name : Committee Member

Original Name : Laidman Browne

Gender : Male

Character Name : Official, National Physical Laboratory

Original Name : Raymond Huntley

Gender : Male

Character Name : Official, Ministry of Aircraft Production

Original Name : Hugh Manning

Gender : Male

Character Name : Observer at Trials

Original Name : Edwin Styles

Gender : Male

Character Name : Observer at Trials

Original Name : Hugh Moxey

Gender : Male

Character Name : R.A.F. Officer at Trials

Original Name : Anthony Shaw

Gender : Male

Character Name : Farmer

Original Name : Laurence Naismith

Gender : Male

Character Name : Group Signals Officer

Original Name : Harold Siddons

Gender : Male

Character Name : BBC Announcer

Original Name : Frank Phillips

Gender : Male

Character Name : Flt / Lt. R. D. Trevor-Roper, D.F.C., D.F.M.

Original Name : Brewster Mason

Gender : Male

Character Name : Flt / Lt. R. E. G. Hutchison, D.F.C.

Original Name : Tony Doonan

Gender : Male

Character Name : Flying / Off. F. M. Spafford, D.F.C., D.F.M.

Original Name : Nigel Stock

Gender : Male

Character Name : Flt / Lt. A. T. Taerum, D.F.C.

Original Name : Brian Nissen

Gender : Male

Character Name : Flt / Sgt. J. Pulford, D.F.M.

Original Name : Robert Shaw

Gender : Male

Character Name : Plt/Off. G. A. Deering, D.F.C.

Original Name : Peter Assinder

Gender : Male

Character Name : Squadron Leader H. M. Young, D.F.C.

Original Name : Richard Leech

Gender : Male

Character Name : Squadron Leader H. E. Maudslay, D.F.C.

Original Name : Richard Thorp

Gender : Male

Character Name : Flight Lieutenant J. V. Hopgood, D.F.C.

Original Name : John Fraser

Gender : Male

Character Name : Flight Lieutenant W. Astell, D.F.C.

Original Name : David Morell

Gender : Male

Character Name : Flight Lieutenant H. B. Martin, D.S.O., D.F.C., A.F.C.

Original Name : Bill Kerr

Gender : Male

Character Name : Flight Lieutenant D. J. H. Maltby, D.S.O., D.F.C.

Original Name : George Baker

Gender : Male

Character Name : Flight Lieutenant D. J. Shannon, D.S.O., D.F.C.

Original Name : Ronald Wilson

Gender : Male

Character Name : Flying Officer L. G. Knight, D.S.O.

Original Name : Denys Graham

Gender : Male

Character Name : Flight Lieutenant R. C. Hay, D.F.C.

Original Name : Basil Appleby

Gender : Male

Character Name : Flight Lieutenant J. F. Leggo, D.F.C.

Original Name : Tim Turner

Gender : Male

Character Name : Flight Sergeant G. E. Powell

Original Name : Ewen Solon

Gender : Male

Character Name : Wing Comdr. Gibson's Batman

Original Name : Harold Goodwin

Gender : Male

Character Name : Guard at door (uncredited)

Original Name : Patrick McGoohan

Gender : Male

Character Name : Staff Officer to Air-Vice Marshal Cochrane (uncredited)

Original Name : Peter Arne

Gender : Male

Character Name : Crew Member (uncredited)

Original Name : Edward Cast

Gender : Male

Character Name : RAF Officer (uncredited)

Original Name : Richard Coleman

Gender : Male

Character Name : Waitress (uncredited)

Original Name : Brenda De Banzie

Gender : Female

Character Name : Tail Gunner (uncredited)

Original Name : Peter Diamond

Gender : Male

Character Name : RAF Officer (uncredited)

Original Name : Gerald Harper

Gender : Male

Character Name : RAF Pay Clerk in NAAFI (uncredited)

Original Name : Arthur Howard

Gender : Male

Character Name : Collins (uncredited)

Original Name : Lloyd Lamble

Gender : Male

Character Name : Flight Sergeant (uncredited)

Original Name : Philip Latham

Gender : Male

Character Name : RAF Officer (uncredited)

Original Name : Edwin Richfield

Gender : Male