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