Father Brown
Sergeant Goodfellow
Mrs Bridgette McCarthy
Inspector Sullivan / Chief Inspector Sullivan
Inspector Mallory
Sid Carter
Lady Felicia Montague / Lady Felicia Montague (voice)
Penelope "Bunty" Windermere
Brenda Palmer
Mrs. Devine
Inspector Valentine / Chief Inspector Valentine
Hercule Flambeau / Captain Flynn / Hercule Flambeau
Villager (uncredited) / The Mummy (uncredited)
Sergeant Albright
Canon Damian Fox / Canon Fox
Susie Jasinski
Blind 'Arry
Commentator / Radio Newsreader (voice)
Bishop Talbot
Hornby
Sister Boniface
Roger Sharpe QC
Gerald Firth / Kalon / Kalon
Marianne Delacroix
