Alec Guinness
Father Brown
Joan Greenwood
Lady Warren
Bernard Lee
Inspector Valentine
Gerard Oury
Inspector Dubois
Ernest Clark
Bishop's Secretary
John Salew
Station Sergeant
Sam Kydd
Scotland Yard Sergeant
John Horsley
Inspector Wilkins
Jack McNaughton
Railway Guard
Hugh Dempster
Man in Bowler Hat
Eugene Deckers
French Cavalry Officer
Betty Baskcomb
French Widow
Diana Van Proosdy
Waitress
Dino Galvani
Italian Professor
Launce Maraschal
Texan Millionaire
Ernest Thesiger
The Vicomte
Guido Lorraine
Cafe Patron
Jim Gerald
French Stationmaster
Hyma Beckley
Auction Assistant
Ernest Blyth
Church Congregation Member
Fanny Carby
French Prostitute in Police Van
Mabel Etherington
Church Congregation Member
Jess Hahn
Undetermined Secondary Role
Jack May
Church Congregation Member
Manny Michael
Church Congregation Member
Bill Shine
Undetermined Secondary Role
