Eric Barker

as Captain Potts / Inspector Mills (archive footage) (uncredited)

as Field Marshal Hune

as Pet Shop Man

as Captain Potts / Inspector Mills / The Chief (archive footage)

as Pusher

as Wedding Guest (uncredited)

as (uncredited)

as Prof. Bannen

as Culpepper Brown

as Professor Halfbeck

as French Postman

as Robert Gresham

as Col. Dawson

as Station Sergeant

as The Chief

as Mr Parkes, the Foreman

as Harrison Howell

as Insp. Mole

as Mr. Gallagher

as Bank Manager

as M.I.5. Man

as Wentworth

as Police Doctor

as Doctor

as Dr. Morgan Rutherford

as Colonel J.J. Proudfoot

as The Air Minister

as Pym

as Culpepper-Brown

as Capt. David Foster

as The Dean

as Inspector Mills

as Bert Glimmer

as Aubrey Murdock

as Captain Potts

as Vicar

as George Watson

as Culpepper Brown

as Alec Blair

as Mr. Frute

as Chuck Rockley

as Jack (as a child)

as Nelson as a child

as Arthur