Richard Vernon

as Aged Professor

as Sir Horace Mainwaring

as Mr. Pott

as Lord Dunstable

as Suspect

as Mr. Pott

as Heraclius

as Miriam's father

as The General

as The Earl of Swaffham

as George

as King

as King

as Colonel Hebron

as Sir Nicholas Fanner

as Dr. RIchard Payton

as Sir Nicholss Fanner

as Lord Brompton

as The Marquess of Winchester

as Mr. Garstanton

as Roger Nettleton

as Thompson

as Duncan Anderson

as Mr. Chessington

as Sir Roland Hall

as Uncle Felix

as Colonel Selby

as Brogan-Moore

as Sir Edward Gait

as Herbert Browne-Lacey

as Flewitt

as Roland Tolhurst

as (voice)

as Makato

as Slartibartfast

as Slartibartfast

as Quimby Charles

as Judge

as Sir John Hargreaves

as Lord Bartlesham

as C

as Sir Geoffrey

as Mr. Price

as Mr. Becket

as Tom Hampton

as Fassbender

as Major Toby Smith-Barton

as Gentleman (uncredited)

as Lord Bartlesham

as Sir Maxwell Dean (archive footage)

as Colonel Chart

as George Cornfield

as The Chief

as Morton

as Col. Mathews

as Sir Lionel Hibury

as George Cornfield

as Dr. Edwards

as Sir Richard McKenzie

as Dr Whitman

as Stanley

as Baldwin

as Stanley

as Sir Lionel Compton

as Dr Whitman

as Stoker Leishman

as Colin

as Alban Gascoyne

as Thomas Ramsdale

as Major Cochrane-Danby

as Lord Tilling

as Lewis

as Sir Maxwell Dean

as Dace

as Sutherland

as Admiral Croft

as Andrew Coombes

as Councilman

as Mr. Price

as Pa Stone

as Chairman of the Board of Governors (uncredited)

as Colonel

as Sir Geoffrey Osborne

as Colonel Loring

as Professor Krempe

as Colonel O'Dwyer

as Sir Gerald Walters

as Lord Augustus Lorton

as Edwin Oldenshaw

as Professor Krempe

as Sir Roger Wedgewood

as Henry Gore-Browne

as Raoul

as Colonel O'Dwyer

as Lord Hetherby

as Oldenshaw

as Sir Edward Seabrook

as Race Course Official (uncredited)

as Dr. Vivian

as Lord Brisburn

as Brigadier Samson

as Lord Oscar

as Smithers

as Man on Train

as Roddinghead

as Lord Willie Mounset

as Government Official at Enquiry (uncredited)

as Prime Minister

as Johnnie Paxton

as Sir John Ripwell

as Dr. Aldrich

as John Crewe

as Mr Endworth

as Pearson

as The Major

as Colonel Johnson

as Parkinson

as Lord Matterley

as Charles Ormiston

as Viney

as Edgar Hargraves

as Doctor at Crime Scene

as Charles Lacey

as Lessing

as Manager

as Under Secretary

as Merchant

as Leading man in play

as Charles Pleydon, MP

as Lewis

as Sir Hector Rose

as Mr. Pascoe

as Mr. Fellowes

as Brogan-Moore

as Egeon