Percy Walsh

as Professor Mitchell

as Monsieur Joue: Staff of Nutbourne

as Editor, Evening Comet

as Jones

as District Superintendent

as Chairman of Meeting

as Alec Stevens

as Hotel Proprietor

as Suddaby

as Sir Frank Murchison

as Merridew

as Dr. Willendorf

as Police Sergeant

as Charles Lennox

as Monsieur Fayolle

as Saxon Rose

as Officer

as McFarlane

as French Customs Man

as Dvorak

as Inspector Blow

as Gustave

as Bert

as Schwartz, Spy Chieftain