Ivan Igor
Florence Dempsey
Ralph Burton
Charlotte Duncan
Jim
Worth
Professor Darcy
George Winton
Hugo
Otto
Dr. Rasmussen
Mr. Galatalin
Detective (Uncredited)
Police Captain, 12th Precinct
Desk Sergeant, 12th Precinct
Morgue Attendant (Uncredited)
Detective at Morgue
Autopsy Surgeon (Uncredited)
Autopsy Surgeon's Assistant (Uncredited)
Joan Gale
Police Sergeant by Christmas Tre
Tall Thin Henchman (Uncredited)
Museum Visitor (Uncredited)
