Wing Commander Guy Gibson, V.C., D.S.O., D.F.C.
Doctor B. N. Wallis, C.B.E., F.R.S.
Mrs. Wallis
Air Chief Marshal Sir Arthur Harris (now Marshal of the Royal Air Force) G.C.B., O.B.E., A.F.C.
Captain Joseph (Mutt) Summers, C.B.E.
Air Vice-Marshal The Hon. Ralph Cochrane (now Air Chief Marshal) G.B.E., K.C.B., A.F.C.
Group Captain J. N. H. Whitworth, D.S.O., D.F.C.
Doctor
Sir David Pye, C.B., F.R.S.
Doctor W. H. Glanville, C.B., C.B.E.
Committee Member
Official, National Physical Laboratory
Official, Ministry of Aircraft Production
Observer At Trials
R.A.F. Officer At Trials
Farmer
Group Signals Officer
B.B.C. Announcer
Flt / Lt. R. D. Trevor-Roper, D.F.C., D.F.M.
Flt / Lt. R. E. G. Hutchison, D.F.C. (as Anthony Doonan)
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. (now Wing Commander)
Flight Lieutenant D. J. H. Maltby, D.S.O., D.F.C.
Flight Lieutenant D. J. Shannon, D.S.O., D.F.C. (later Squadron Leader)
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
Adjutant to Air Vice-Marshal Cochrane (uncredited)
Crew Member (uncredited)
Batman (uncredited)
RAF Officer (uncredited)
Waiter in Officers' Mess (uncredited)
Tail Gunner (uncredited)
Camera operator in testing tank (uncredited)
Mocking RAF Officer (uncredited)
Committee Member (uncredited)
RAF Pay Clerk In NAAFI (uncredited)
Attendant in Officers' Quarters (uncredited)
Collins (uncredited)
Flight Sergeant (uncredited)
Guard on Door (uncredited)
Waiter (uncredited)
Adjutant to Air Chief Marshal Harris (uncredited)
Assistant at Model Dam (uncredited)
Barnes Wallis's Daughter (uncredited)
RAF Officer in Mess Hall (uncredited)
Singer in the Lyric Theatre (uncredited)
Mess Waiter (uncredited)
Bomber Crewman (uncredited)
Dance troupe in the Lyric Theatre (uncredited)
Security Guard (uncredited)