Richard Todd
Wing Commander Guy Gibson, V.C., D.S.O., D.F.C.
Michael Redgrave
Doctor B. N. Wallis, C.B.E., F.R.S.
Ursula Jeans
Mrs. Wallis
Basil Sydney
Air Chief Marshal Sir Arthur Harris G.C.B., O.B.E., A.F.C.
Patrick Barr
Captain Joseph (Mutt) Summers, C.B.E.
Ernest Clark
Air Vice-Marshal The Hon. Ralph Cochrane G.B.E., K.C.B., A.F.C.
Derek Farr
Group Captain J. N. H. Whitworth, D.S.O., D.F.C.
Charles Carson
Doctor
Stanley Van Beers
Sir David Pye, C.B., F.R.S.
Colin Tapley
Doctor W.H. Glanville, C.B., C.B.E.
Frederick Leister
Committee Member
Raymond Huntley
Official, National Physical Laboratory
Hugh Manning
Official, Ministry of Aircraft Production
Edwin Styles
Observer at Trials
Laurence Naismith
Farmer
Nigel Stock
Flying / Off. F. M. Spafford, D.F.C., D.F.M.
Brian Nissen
Flt / Lt. A. T. Taerum, D.F.C.
Robert Shaw
Flt / Sgt. J. Pulford, D.F.M.
Richard Leech
Squadron Leader H. M. Young, D.F.C.
Richard Thorp
Squadron Leader H. E. Maudslay, D.F.C.
John Fraser
Flight Lieutenant J. V. Hopgood, D.F.C.
Bill Kerr
Flight Lieutenant H. B. Martin, D.S.O., D.F.C., A.F.C.
George Baker
Flight Lieutenant D. J. H. Maltby, D.S.O., D.F.C.
Denys Graham
Flying Officer L. G. Knight, D.S.O.
Tim Turner
Flight Lieutenant J. F. Leggo, D.F.C.
Ewen Solon
Flight Sergeant G. E. Powell
Harold Goodwin
Wing Comdr. Gibson's Batman
Patrick McGoohan
Guard at door (uncredited)
Peter Arne
Staff Officer to Air-Vice Marshal Cochrane (uncredited)
Brenda De Banzie
Waitress (uncredited)
Peter Diamond
Tail Gunner (uncredited)
Gerald Harper
RAF Officer (uncredited)
Arthur Howard
RAF Pay Clerk in NAAFI (uncredited)
Lloyd Lamble
Collins (uncredited)
Philip Latham
Flight Sergeant (uncredited)
Edwin Richfield
RAF Officer (uncredited)
