André Morell

as Lord Wendover

as Sextus

as Col. Green

as Elrond (voice)

as Judge

as Abu-Talib

as Doctor Watson

as Inspector Byard

as Judge Lewis

as Englishman in Train Compartment (uncredited)

as Sir James Forbes

as Lord Teale

as Bernhard Raxel

as Sir Bernard Spilsbury

as Bussier

as Club Butler

as Haumeid

as Prof. James Bickford

as Colonel Gore Hepburn

as Yacht Captain

as Judge

as Sir Basil Walden

as Bride's Father

as Brigadier Stadden

as Superintendent G.W. Folland

as Doctor Hart

as O'Brien

as Cicero

as Walter Venable

as Defense Attorney

as Kassim

as David

as Dr. Audlin ("Lord Mountdrago" segment)

as Professor Bernard Quatermass

as Secret Service Chief Chubb (as Andre Morell)

as Col. Lambert

as Commissioner Breckner

as Alfred Tetins

as Gen. Guenther Hautmann

as Dr. Lennox

as American Ambassador

as Capt. Edward Manningham

as Sir Ontzlake

as Supt. Folland

as Lord Palmerston

as Haim

as Sir Geoffrey Wolf

as Marshal

as Sheik Salem ben Yussef

as Emperor Louis

as Cyril Horsham

as Robert Isaac Pitt

as Marchand

as Maj. Atherton

as Le Père Antonius

as Counsel

as Tiberius

as Robert Stuart

as Etienne

as Chief Inspector Blake

as Victor

as Marshal Tavannes

as Governor

as Sir Desmond Shaw

as Richard Heyrick

as Self (archive footage)

as Charles Klein

as Piers Collingham

as Edward Alleyn

as George Rackham

as Mr. Wickham

as Major Williams

as O'Brien

as Williamson

as Richard Heyrick

as Dr. "Willie" Marshall

as Sir Geoffrey Wolf

as André Fage

as Hindley Earnshaw

as Self

as Sir Edward Clarke QC

as André Fage

as Sir Edward Clarke