Sidney Toler. Chan is called upon to investigate the murder of an inventor and the theft of his plans for a device to combat German U-boats. He and his assistant stay in the victim's home with a slew of eccentric guests-one of whom is the murderer. 1944/b&w/64 min/NR/fullscreen.
Director: Phil Rosen
Producer: James S. Burkett
Producer: Philip N. Krasne
Actor: Arthur Loft
Actor: Gwen Kenyon
Actor: Mantan Moreland
Actor: Marianne Quon
Actor: Sidney Toler