James W. Horne
Director
Ray Taylor
Director
Dave O'Brien
Stunts
Richard Fantl
Editor
Tom Steele
Stunts
George H. Plympton
Screenplay
Mart Ramson
Screenplay
George DeNormand
Stunts
Francis Walker
Stunts
Basil Dickey
Screenplay
Chuck Hamilton
Stunts
Bud Geary
Stunts
Jack Fier
Producer
Robert E. Kent
Screenplay
Allen G. Siegler
Director of Photography
Duke York
Stunts
Warren Hull
The Spider / Richard Wentworth / Blinky McQuade
Iris Meredith
Nita Van Sloan
Richard Fiske
Jackson
Kenne Duncan
Ram Singh
Forbes Murray
Police Commissioner Stanley Kirk
Marc Lawrence
Steve Harmon
Charles C. Wilson
Chase
Eugene Anderson Jr
Johnnie Sands
Ann Doran
Mason's Secretary
Paul Whitney
Gray
Beatrice Curtis
Kate Sands
Gordon Hart
J. Mason
Byron Foulger
Allen Roberts
Donald Douglas
Jenkins
John Tyrrell
Henchman Grafton
Henry Taylor
Wilson (uncredited)
Lee Shumway
Police Sergeant (uncredited)
