A cellist is murdered during a symphony concert. Shortly afterwards, the manager of the hall is found dead, an apparent suicide. But is it?
Donald Meek
as Dr. Crabtree
John Hamilton
as Insp. Carr
Rita Lan
as Louisa Von Link
Douglass Dumbrille
as Giuseppe Benito
Herbert Braggiotti
as Nicky Petroff
Edward Keane
as Sergeant
Almira Sessions
as Concert-Goer (uncredited)
