Cast
Kenne Duncan
Ram Singh
Charles Cahill Wilson
Chase
Paul Whitney
Gray
Byron Foulger
Allen Roberts
Donald Douglas
Jenkins
Lee Shumway
Police Sergeant (uncredited)
Warren Hull
The Spider / Richard Wentworth / Blinky McQuade
John Tyrrell
Henchman Grafton
Richard Fiske
Jackson
Iris Meredith
Nita Van Sloan
Forbes Murray
Police Commissioner Stanley Kirk
Marc Lawrence
Steve Harmon
Ann Doran
Mason's Secretary