73 mins | Drama, Crime, Mystery | March 29, 1932
73 mins | Drama, Crime, Mystery | March 29, 1932
| Producers | G.B. Samuelson Productions |
| Original title | The Callbox Mystery |
| Directors | G.B. Samuelson |
| Writers | Joan Morgan |
as Leo Mount
as Inspector Layton
as Iris Banner
as David Radnor
as Inspector Brown
as Rose
as Pearce
as Paul Grayle