The Callbox Mystery
- Unyaka: 1932
- Izwe: United Kingdom
- Uhlobo: Crime, Mystery, Drama
- Isitudiyo: G.B. Samuelson Productions
- Igama elingukhiye:
- Umqondisi: G.B. Samuelson
- Abalingisi: Warwick Ward, Harold French, Wendy Barrie, Gerald Rawlinson, Harvey Braban, Daphne Mowbray
