as Lord Warrick

as Dr. Marko

as Mr. Rogan

as Sir Robert Bentley

as British Secretary

as Chief Inspector W.R. Allison

as Frederick Malone

as Mr. Brigstock

as Over the Shoulder Reader

as Leuwen Grayle

as Giles Conover

as Judge Brisson

as Major Loring (uncredited)

as Charles Seagrave

as Pleyel

as Businessman (uncredited)

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 James V. Thorne

as Floyd Kirsten

as Dr. Kurt Immelman

as Dr. Wilton

as Kilpatrick

as Professor Langer

as Dr. Leonard V. Meecham

as Major

as Paul Panois

as Lord Keith

as Tom Armitage

as Dr. Lockberg

as Doctor (uncredited)

as Homer

as Sir Malcolm Drake (uncredited)

as Deacon Arnold Foster

as Lieut. Strope

as Mr. Charles Pryor

as Roger Smythe

as Attorney General (uncredited)

as Dr. Rankin

as Lockwood

as Lord Wickham

as Aramis

as Cardinal Richelieu

as Sir John Gresham

as Horace Granville

as King Henry VI

as Benjamin Disraeli

as Fred Thomas

as Ebenezer Balfour

as Corey

as The Sparkler

as James Stratton

as Jukes

as Garry Ames

as Bert

as King Louis XIII

as Feize

as Wriothesley

as Harley Travers

as Capt. Ronald Dancy, DSO

as Captain Auguste Lutte

as Ambatriadi

as Harry Tresham

as Claude Holford

as Gordon Moore

as Gordon Druce

as Raymond Carteret

as Guy Merrow

as Adolf Sperber

as Sir Hugo Boycott

as Capt. Gardner

as Armand de Marny

as Mr. Borwick

as Rollo Stevens

as Hon Gerald Pillick

as Levett

as Sir Neville Moreton

as Godfrey Norton

Director

Adaptation, Director

Dialogue

Writer

Director

Theatre Play, Script, Director

Director, Writer

Producer