75 mins | Thriller | Dec. 17, 1945
75 mins | Thriller | Dec. 17, 1945
| IMDb rating | 5.1 |
| Producers | British National Films, Strand Film Company |
| Original title | The Echo Murders |
| Directors | Denis Johnson, John Harlow |
| Writers | John Harlow |
as Sexton Blake
as Dick Warren
as Stella Duncan
as James Duncan (as Julian Mitchell)
as P.C. Morgan
as Paul Dacier
as Phillip Rainsford
as Purvis
as Marat
as Beales
as Cotter
as Carl
as Dr. Grey
as Fox
as Col. Wills
as Preston
as Sergeant Crossby
as Wrexham
as Otto
as Sir Horace Cranston
as Van Schuster
as Housekeeper