A detective must solve a case where a girl was murdered in a room--and all the doors and windows were locked from the inside.
Preston Foster
Bill Crane - Private Detective
Frank Jenks
Doc Williams
Carol Hughes
Emily Lou Martin
Barbara Pepper
Agatha Hogan
Astrid Allwyn
Miss Brentino
Clarence Wilson
Charles Frazee
Theodore von Eltz
Robert Westland
George Meeker
Richard Bolston
