Synopsis
The story of the conception of a new British weapon for smashing the German dams in the Ruhr industrial complex and the execution of the raid by 617 Squadron 'The Dam Busters'.
Cast

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
Eric Messiter
Committee Member
Laidman Browne
Committee Member

Raymond Huntley
Official, National Physical Laboratory

Hugh Manning
Official, Ministry of Aircraft Production

Edwin Styles
Observer at Trials

Hugh Moxey
Observer at Trials
Anthony Shaw
R.A.F. Officer at Trials

Laurence Naismith
Farmer
Harold Siddons
Group Signals Officer
Frank Phillips
BBC Announcer
Brewster Mason
Flt / Lt. R. D. Trevor-Roper, D.F.C., D.F.M.
Tony Doonan
Flt / Lt. R. E. G. Hutchison, D.F.C.
Nigel Stock
Flying / Off. F. M. Spafford, D.F.C., D.F.M.
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