Reparto y equipo
-
Bud TingwellChief Insp. Craddock - Lionel JeffriesCaptain Sydney De Courcy Rhumstone
- Margaret RutherfordMiss Marple
- William MervynComm. Breeze-Connington
- Joan BenhamMatron Alice Fanbraid
- Stringer DavisMr. Jim Stringer
- Nicholas ParsonsDr. Crump
- Miles MallesonBishop
- Henry OscarLord Rudkin
- Derek NimmoSub-Lt. Eric Humbert
- Gerald CrossBrewer
- Norma FosterAsst. Matron Shirley Boston
- Terence EdmondSgt. Bacon
- Francis MatthewsLt. Compton
- Lucy GriffithsMillie
- Bernard AdamsDusty Miller
- Tony QuinnKelly - Tramp
- Edna PetrieMiss Pringle
- George PollockDirección
- Lawrence P. BachmannProducción
- Agatha ChristieEscritor
- David PursallEscritor