Warren Hull
The Spider / Richard Wentworth / Blinky McQuade
Mary Ainslee
Nita Van Sloan
Dave O'Brien
Jackson, Wentworth's Aide
Joseph W. Girard
Police Commissioner Kirk
Kenne Duncan
Ram Singh, Wentworth's Hindu Chauffeur
Corbet Morris
McLeod
Bryant Washburn
Westfall
Anthony Warde
Henchman Trigger
Harry Harvey
Stephen
Arthur Belasco
Butler
Stanley Blystone
Policeman
Lane Chandler
Police Lab Fingerprint Man
Stephen Chase
Jenkins, Wentworth's Butler
George Chesebro
Henchman
