Richard Vernon

as Aged Professor

as Sir Horace Mainwaring

as Lord Dunstable

as Suspect

as Mr. Pott

as Heraclius

as Miriam's father

as The General

as The Earl of Swaffham

as King

as Colonel Hebron

as Sir Nicholas Fanner

as Dr. RIchard Payton

as The Marquess of Winchester

as Mr. Garstanton

as Roger Nettleton

as Thompson

as Duncan Anderson

as Uncle Felix

as Sir Roland Hall

as Brogan-Moore

as Sir Edward Gait

as Flewitt

as (voice)

as Slartibartfast

as Slartibartfast

as Quimby Charles

as Sir John Hargreaves

as Lord Bartlesham

as Mr. Price

as Mr. Becket

as Fassbender

as Major Smith-Barton

as Gentleman (uncredited)

as Lord Bartlesham

as Sir Maxwell Dean

as George Cornfield

as Col. Mathews

as George Cornfield

as Sir Richard McKenzie

as Dr Whitman

as Major Cochrane-Danby

as Lord Tilling

as Lewis

as Sir Maxwell Dean

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 Edwin Oldenshaw

as Sir Roger Wedgewood

as Henry Gore-Browne

as Raoul

as Lord Hetherby

as Oldenshaw

as Sir Edward Seabrook

as Race Course Official (uncredited)

as Dr. Vivian

as Lord Brisburn

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 Pearson

as Lord Matterley

as Charles Ormiston

as Viney

as Edgar Hargraves

as Doctor at Crime Scene

as Charles Lacey

as Manager

as Under Secretary

as Merchant

as Leading man in play

as Lewis

as Sir Hector Rose

as Mr. Pascoe

as Mr. Fellowes

as Brogan-Moore

as Egeon