Casts
Warren Hull
as Mandrake the Magician
Doris Weston
as Betty Houston
Al Kikume
as Lothar
Rex Downing
as Tommy Houston
Edward Earle
as Dr. Andre Bennett
Forbes Murray
as Professor Houston
Kenneth MacDonald
as James Webster
Don Beddoe
as Frank Raymond
Dick Curtis
as Dorgan
John Tyrrell
as Dirk
