Warren Hull
Mandrake the Magician
Acting
Doris Weston
Betty Houston
Acting
Al Kikume
Lothar, Mandrake's Assistant
Acting
Rex Downing
Tommy Houston
Acting
Edward Earle
Dr. Andre Bennett
Acting
Forbes Murray
Professor Houston
Acting
Kenneth MacDonald
James Webster
Acting
Don Beddoe
Frank Raymond
Acting
Dick Curtis
Dorgan - Thug (Chs. 6-8)
Acting
John Tyrrell
Dirk, lead thug
Acting
Stanley Brown
Green, thug [Chs. 1, 2, 4]
Acting
Beatrice Curtis
Rest Home Nurse [Chs. 3,10]
Acting
Robert Sterling
Henchman
Acting
Sam Ash
George Regan, hypnotist [Chs. 3-5]
Acting
Lester Dorr
Gray, gas station thug [Chs. 8-9]
Acting