Mandrake the Magician
Warren Hull
Betty Houston
Doris Weston
Green
Stanley Brown
Rest Home Nurse
Beatrice Curtis
Henchman
Robert Sterling
George Regan
Sam Ash
Gray
Lester Dorr
Brown
Ernie Adams
Rest Home Henchman
Eddie Fetherston
Ed
Eddie Foster
Narrator
Knox Manning
Cabbie
Ernie Alexander
Lothar
Al Kikume
Construction Camp Watchman
Harry Bernard
Henchman CX12
Stanley Blystone
Rest Home & Ironworks Henchman
Buel Bryant
Construction Camp Henchman
Budd Buster
Baker
George Chesebro
Mill River Inn Henchman
Charles Dorety
Harper Drive Henchman
Jerry Frank
Powerhouse Henchman
Kit Guard
Harris
Frank Hagney
Bank Henchman
Chuck Hamilton
Tommy Houston
Rex Downing
Williams
Eddie Hart
Oscar 'Dutch' Hendrian
Ward
Jerry Jerome
Kidnapping Henchman
Eddie Laughton
Tom London
Roadster Henchman
Stanley Mack
Dam Henchman
Pat McKee
Construction Foreman
Charles McMurphy
Gas Station Hitman
Frank Mills
Ironworks Henchman
Art Mix
Dr. Andre Bennett
Edward Earle
Eddie Parker
Mohawk Steward-Henchman
Ralph Peters
Ship Passenger
Rose Plumer
Magic Mart Henchman
Cyril Ring
Cy Schindell
Ship Henchman
Charles Sherlock
Parsons
Reginald Simpson
Tom Steele
Henchman-Driver
Charles Sullivan
Streeter
Harry Tenbrook
Professor Houston
Forbes Murray
Apartment-Raider
George Turner
Frank Wayne
Blackie Whiteford
Tower Henchman
Bud Wolfe
Bert Young
Henchman (uncredited)
Steve Clark
James Webster
Kenneth MacDonald
Frank Raymond
Don Beddoe
Dorgan
Dick Curtis
Dirk
John Tyrrell
Stunts
Music Director
Morris Stoloff
Original Music Composer
Sidney Cutner
Director
Norman Deming
Sam Nelson
Screenplay
Joseph F. Poland
Basil Dickey
Ned Dandy
Producer
Jack Fier
Editor
Richard Fantl
Jerry Thoms
George DeNormand
Director of Photography
Benjamin H. Kline
Floyd Morgan