as Dr. Marko

as Lord Warrick

as Mr. Rogan

as Sir Robert Bentley

as Chief Inspector W.R. Allison

as Frederick Malone

as British Secretary

as Mr. Brigstock

as Over the Shoulder Reader

as Giles Conover

as Leuwen Grayle

as Judge Brisson

as Major Loring (uncredited)

as Charles Seagrave

as Businessman (uncredited)

as Pleyel

as Colonel Fitzhume (uncredited)

as Sir Frederick Fleet

as Weatherby (uncredited)

as Col. Herman Fournier

as Major Cunningham

as German Agent on Radio (voice) (uncredited)

as Portmaster

as Major

as Kilpatrick

as James V. Thorne

as Dr. Wilton

as Professor Langer

as Floyd Kirsten

as Dr. Kurt Immelman

as Dr. Leonard V. Meecham

as Paul Panois

as Tom Armitage

as Lord Keith

as Dr. Lockberg

as Doctor (uncredited)

as Sir Malcolm Drake (uncredited)

as Homer

as Deacon Arnold Foster

as Roger Smythe

as Dr. Rankin

as Attorney General (uncredited)

as Lieut. Strope

as Mr. Charles Pryor

as Lockwood

as Lord Wickham

as Aramis

as King Henry VI

as Cardinal Richelieu

as Sir John Gresham

as Horace Granville

as Fred Thomas

as Benjamin Disraeli

as Ebenezer Balfour

as The Sparkler

as Corey

as James Stratton

as Jukes

as Bert

as King Louis XIII

as Garry Ames

as Feize

as Wriothesley

as Captain Auguste Lutte

as Capt. Ronald Dancy, DSO

as Harley Travers

as Ambatriadi

as Claude Holford

as Harry Tresham

as Gordon Moore

as Gordon Druce

as Guy Merrow

as Raymond Carteret

as Adolf Sperber

as Sir Hugo Boycott

as Mr. Borwick

as Armand de Marny

as Capt. Gardner

as Rollo Stevens

as Hon Gerald Pillick

as Sir James Daring

as Levett

as Sir Neville Moreton

as Godfrey Norton

Director

Adaptation, Director

Dialogue

Writer

Director

Director, Script, Theatre Play

Writer, Director

Director

Producer