Top Cast
Alec Guinness
Father Brown
Joan Greenwood
Lady Warren
Peter Finch
Gustave Flambeau
Cecil Parker
The Bishop
Bernard Lee
Inspector Valentine
Sid James
Bert Parkinson
Gérard Oury
Inspector Dubois
Ernest Thesiger
The Vicomte
Ernest Clark
Bishop's Secretary
Everley Gregg
Governess
Austin Trevor
The Herald
Marne Maitland
Maharajah
Noel Howlett
Auctioneer
Eugene Deckers
French Cavalry Officer
Jim Gérald
French Stationmaster
Launce Maraschal
Texan Millionaire
Daniel Clérice
Garagiste
Aubrey Woods
Charlie
John Salew
Station sergeant
Sam Kydd
Scotland Yard sergeant
John Horsley
Inspector Wilkins
Jack McNaughton
Railway Guard
Hugh Dempster
Man in Bowler Hat
Betty Baskcomb
French Widow
Diana Van Proosdy
Waitress
Dino Galvani
Italian Professor
Hugo Schuster
Optician
Guido Lorraine
Café Patron