Hans Albers

Sherlock Holmes / Morris Flint

Heinz Rühmann

Dr. John H. Watson / Macky McPherson

Marieluise Claudius

Mary Berry

Hansi Knoteck

Jane Berry

Günther Ballier

1. Kriminalbeamter

Ernst Behmer

Conductor

Paul Bildt

Sir Arthur Conan Doyle

Harry Hardt

Billy