as Judge(1 ep)
as Judson
as Dr. Coutras(1 ep)
as General Tankard
as Lt. Gen. Sir Harold Power
as Col. Warburton
as Sir John Kelly (uncredited)
as Dean Foster
as Count Krimbi, Aide to King Pavel II
as Dr. Martin(1 ep)
as Commissioner Wayne
as Lakington(22 eps)
as Secretary General
as Captain Cranmer(1 ep)
as Mr. Petitval
as Minister with Heart Attack (uncredited)
as Vanescu
as Camp Commandant(1 ep)
as Edward Wilton
as Brigadier Taplow(35 eps)
as Sir Hervey Shaw
as Fowler(3 eps)
as Leon de Colville
as The Herald
as Police Commissaire
as Prof. Palmer
as Col. Vronsky
as Major Lutzen
as The Duke
as John Cardew
as Soldier Talking to Corporal
as French Registrar
as U-boat Captain
as Captain Hartzmann
as John Smith
as Boris Vladimir
as Capt. Prada
as Heinreks
as Schulemberg - German Air Chief of Staff
as Ralston
as Col. Adraxine
as Dr. Muller
as Monocle Man (uncredited)
as Swiss Hotelier-Gang Leader
as Marquis de Grand Coeur
as Le Beau
as Count de Verneuil
as Count de Verneuil
as Don Joao
as Don Joâo
as Inspector Parker
as Capt. Oates
as Lamotte
as Pierre Santos
as Leopold Dryden
as Hercule Poirot
as Pierre Falaise
as Captain Larco
as Count Tonelli
as Paul Markatel
as Captain James Kent
as Hercule Poirot
as Paul deLisle
as Hercule Poirot
as Detective-Inspector Drew
as The Vicar
as Captain of Military Police
as Inspector Hanaud