Father Brown
Flambeau
Evelyn Fischer
Inspector Valentine
Sir Leopold Fischer
Mrs. Boggs
Sergeant Dawes
Policeman (uncredited)
Maid (uncredited)
Priest (uncredited)
Jenny (uncredited)
Fruit Vendor (uncredited)
Flowershop Girl (uncredited)
Constable (uncredited)
Don (as Eldred Tidbury) (uncredited)
Gambling House Patron (uncredited)
Peter (uncredited)
Eucharistic Congress Attendee (uncredited)
Butler (uncredited)
Storekeeper (uncredited)
Maître d' (uncredited)
Waiter (uncredited)