Warren Hull
The Spider / Richard Wentworth / Blinky McQuade
Acting
Iris Meredith
Nita Van Sloan
Acting
Richard Fiske
Jackson
Acting
Kenne Duncan
Ram Singh
Acting
Forbes Murray
Police Commissioner Stanley Kirk
Acting
Marc Lawrence
Steve Harmon
Acting
Charles C. Wilson
Chase
Acting
Eugene Anderson Jr
Johnnie Sands
Acting
Ann Doran
Mason's Secretary
Acting
Paul Whitney
Gray
Acting
Beatrice Curtis
Kate Sands
Acting
Gordon Hart
J. Mason
Acting
Byron Foulger
Allen Roberts
Acting
Donald Douglas
Jenkins
Acting
John Tyrrell
Henchman Grafton
Acting
Henry Taylor
Wilson (uncredited)
Writing
Lee Shumway
Police Sergeant (uncredited)
Acting