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