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