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.
