Wing Commander Guy Gibson, V.C., D.S.O., D.F.C.
Doctor B. N. Wallis, C.B.E., F.R.S.
Air Chief Marshal Sir Arthur Harris G.C.B., O.B.E., A.F.C.
Captain Joseph (Mutt) Summers, C.B.E.
Air Vice-Marshal The Hon. Ralph Cochrane G.B.E., K.C.B., A.F.C.
Group Captain J. N. H. Whitworth, D.S.O., D.F.C.
Sir David Pye, C.B., F.R.S.
Doctor W.H. Glanville, C.B., C.B.E.
Official, National Physical Laboratory
Official, Ministry of Aircraft Production
Flt / Lt. R. D. Trevor-Roper, D.F.C., D.F.M.
Flt / Lt. R. E. G. Hutchison, D.F.C.
Flying / Off. F. M. Spafford, D.F.C., D.F.M.
Flt / Lt. A. T. Taerum, D.F.C.
Flt / Sgt. J. Pulford, D.F.M.
Plt/Off. G. A. Deering, D.F.C.
Squadron Leader H. M. Young, D.F.C.
Squadron Leader H. E. Maudslay, D.F.C.
Flight Lieutenant J. V. Hopgood, D.F.C.
Flight Lieutenant W. Astell, D.F.C.
Flight Lieutenant H. B. Martin, D.S.O., D.F.C., A.F.C.
Flight Lieutenant D. J. H. Maltby, D.S.O., D.F.C.
Flight Lieutenant D. J. Shannon, D.S.O., D.F.C.
Flying Officer L. G. Knight, D.S.O.
Flight Lieutenant R. C. Hay, D.F.C.
Flight Lieutenant J. F. Leggo, D.F.C.
Flight Sergeant G. E. Powell
Wing Comdr. Gibson's Batman
Guard at door (uncredited)
Staff Officer to Air-Vice Marshal Cochrane (uncredited)
RAF Pay Clerk in NAAFI (uncredited)
Flight Sergeant (uncredited)