Calificación
Reparto

Tim Considine
Frank Hardy

Tommy Kirk
Joe Hardy

Florenz Ames
Silas Applegate

Russ Conway
Fenton Hardy

Sarah Selby
Aunt Gertrude

Robert Foulk
Jackley the Plumber

Carole Ann Campbell
Iola Morton

Donald MacDonald
Perry Robinson

Arthur Shields
Boles - Ex-Gardener

Charles Cane
Police Sergeant

Frances Morris
Landlady

Brick Sullivan
Policeman

Mort Mills
policeman

Don C. Harvey
Policeman

Dan Sturkie
Police Detective

William Henry
Policeman