Calificación
Reparto

Gordon Harker
Inspector Hornleigh

Alastair Sim
Sergeant Bingham

Linden Travers
Miss Angela Meadows

Wally Patch
Police Sergeant

Edward Chapman
Captain Edwin Fraser

Philip Leaver
Bradfield

Kynaston Reeves
Dr. Manners

John Turnbull
Chief Constable

Wyndham Goldie
Sir George Winbeck

Cyril Conway
Minor Role