Infamous burglar "The Bat" commits a daring jewelry theft despite heavy police presence. Soon after, a bank theft occurs, which may be the work of the criminal as well. Meanwhile, Cornelia Van Gorder has various people arrive at her old mansion, including her niece, Dale, a bank employee, and police detective Anderson. When guests start turning up dead, Cornelia begins to suspect that The Bat may be lurking around the estate.
as Detective Anderson
as Police lieutenant
as Dale Van Gorder
as Mr. Bell
as The Butler
as Police Captain
as Police Sergeant
as Man in Black Mask
as Miss Cornelia van Gorder
as Lizzie Allen
as The Caretaker
as Brook
as Dr. Venrees
as Richard Fleming
as Detective Jones
as The Unknown
