- 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 (now Marshal of the Royal Air Force) 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 (now Air Chief Marshal) 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
- B.B.C. 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. (as Anthony Doonan)
- Nigel Stock
- Flying / Off. F. M. Spafford, D.F.C., D.F.M.
- Brian Nissen
- Flt / Lt. A. T. Taerum, D.F.C.
- Robert Shaw
- Flt / Sgt. J. Pulford, D.F.M.
- Peter Assinder
- Plt / Off. G. A. Deering, D.F.C.
- Richard Leech
- Squadron Leader H. M. Young, D.F.C.
- Richard Thorp
- Squadron Leader H. E. Maudslay, D.F.C.
- John Fraser
- Flight Lieutenant J. V. Hopgood, D.F.C.
- David Morrell
- Flight Lieutenant W. Astell, D.F.C.
- Bill Kerr
- Flight Lieutenant H. B. Martin, D.S.O., D.F.C., A.F.C. (now Wing Commander)
- George Baker
- Flight Lieutenant D. J. H. Maltby, D.S.O., D.F.C.
- Ronald Wilson
- Flight Lieutenant D. J. Shannon, D.S.O., D.F.C. (later Squadron Leader)
- Denys Graham
- Flying Officer L. G. Knight, D.S.O.
- Basil Appleby
- Flight Lieutenant R. C. Hay, D.F.C.
- Tim Turner
- Flight Lieutenant J. F. Leggo, D.F.C.
- Ewen Solon
- Flight Sergeant G. E. Powell
- Harold Goodwin
- Wing Comdr. Gibson's Batman
- Peter Arne
- Adjutant to Air Vice-Marshal Cochrane
- John Breslin
- Crew Member
- Edward Cast
- Crew Member
- John Cazabon
- Batman
- Richard Coleman
- RAF Officer
- Philip Dale
- Waiter in Officers' Mess
- Peter Diamond
- Tail Gunner
- Elisabeth Gaunt
- Camera operator in testing tank
- Gerald Harper
- Mocking RAF Officer
- Walter Horsbrugh
- Committee Member
- Arthur Howard
- RAF Pay Clerk In NAAFI
- Patrick Jordan
- Attendant in Officers' Quarters
- Lloyd Lamble
- Collins
- Philip Latham
- Flight Sergeant
- Frank Littlewood
- Committee Member
- Patrick McGoohan
- Guard on Door
- Jack McNaughton
- Waiter
- Robert Moore
- Adjutant to Air Chief Marshal Harris
- Richard Neller
- Assistant at Model Dam
- Nina Parry
- Barnes Wallis's Daughter
- Howard Pays
- RAF Officer in Mess Hall
- June Powell
- Singer in the Lyric Theatre
- Edwin Richfield
- RAF Officer
- Arthur Sandifer
- Mess Waiter
- Fred Stroud
- Bomber Crewman
- The Television Toppers
- Dance troupe in the Lyric Theatre
- Robert Brooks Turner
- Security Guard
