"Works of art are disappearing, stolen by a master thief, a master of disguise. Father Brown has two goals: to catch the thief and to save his soul."
Alec Guinness
as Father Brown
Joan Greenwood
as Lady Warren
Peter Finch
as Gustave Flambeau
Cecil Parker
as The Bishop
Bernard Lee
as Inspector Valentine
Sid James
as Bert Parkinson
Gérard Oury
as Inspector Dubois
Ernest Thesiger
as The Vicomte
Ernest Clark
as Bishop's Secretary
Everley Gregg
as Governess
Austin Trevor
as The Herald
Marne Maitland
as Maharajah
Noel Howlett
as Auctioneer
Eugene Deckers
as French Cavalry Officer
Jim Gérald
as French Stationmaster
Launce Maraschal
as Texan Millionaire
Daniel Clérice
as Garagiste
Aubrey Woods
as Charlie
John Salew
as Station sergeant
Sam Kydd
as Scotland Yard sergeant
John Horsley
as Inspector Wilkins
Jack McNaughton
as Railway Guard
Hugh Dempster
as Man in Bowler Hat
Betty Baskcomb
as French Widow
Diana Van Proosdy
as Waitress
Dino Galvani
as Italian Professor
Hugo Schuster
as Optician
Guido Lorraine
as Café Patron
Robert Hamer
Screenplay
Gordon Hales
Editor
Thelma Schnee
Director
Paul Finder Moss
Producer
Gilbert Keith Chesterton
Story
Maurice Rapf
Harry Waxman
Director of Photography
Georges Auric
Original Music Composer
Leigh Aman
Production Manager
Pauline Trent
Hairstylist
George Burgess
Sound Recordist
Phyllis Crocker
Continuity
Adaptation
Bob Lawrance
Makeup Artist
John Hawkesworth
Art Direction
James Bawden
Camera Operator
Leonard Bulkley
Muir Mathieson
Conductor
Julia Squire
Costume Designer
Max Varnel
Assistant Director
Vivian Cox
Associate Producer