The Mysterious Miss X
Keith Neville
Julie Graham (as Mary Hart)
Dan 'Scooter' Casey
Annie Botts
District Attorney Al Ross
Jack Webster
Clarence Fredericks
Police Chief T. J. McDougal
Alma Platt
Pete, a Policeman
Winslow
Charlie Graham
Husband
Henchman
Policeman
Taxi Cab Driver
Bus Driver
