Michael Redgrave as Dr. Barnes N. Wallis, CBE, FRS; Ernest Clark as Air Vice-Marshal The Hon. Ralph Cochrane; Basil Sydney as Air Chief Marshal Sir Arthur Harris; Charles Carson as Doctor; Colin Tapley as Dr. W.H. Glanville, CB, CBE; Patrick Barr as Captain Joseph (Mutt) Summers; Derek Farr as Group Captain J. N. H. Whitworth; Ursula Jeans as Mrs. Wallis; Stanley Van Beers as Sir David Pye, CB, FRS
NR (Not Rated)
Adapted by R.C. Sherriff from Guy Gibson's book Enemy Coast Ahead, The Dam Busters is a docudrama following 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'