The Spider / Richard Wentworth / Blinky McQuade
Warren Hull
Nita Van Sloan
Mary Ainslee
Policeman
Stanley Blystone
Police Lab Fingerprint Man
Lane Chandler
Jenkins, Wentworth's Butler
Stephen Chase
Henchman
George Chesebro
Henchman Meeker
Steve Clark
Secretary
Ruth Findlay
Poppy - the Bartender
Jack Gardner
Henchman Gunther
Chuck Hamilton
Detective
Tom London
George Magrill
Jackson, Wentworth's Aide
Dave O'Brien
Joe McGuinn
Holden
Irving Mitchell
Detective Farrell
Jack Mulhall
Frank O'Connor
Armored Car Driver
Jack O'Shea
Jack Perrin
Police Officer Mulligan
Lee Phelps
Jack Roper
Henchman Brown
Cy Schindell
Henchman Haney
Charles Sullivan
Police Commissioner Kirk
Joseph W. Girard
Voice of The Gargoyle
Forrest Taylor
Ken Terrell
Michael Vallon
Henchman Cahill
Dale Van Sickel
Mr. Van Sloan
Charles Miller
Ram Singh, Wentworth's Hindu Chauffeur
Kenne Duncan
McLeod
Corbet Morris
Westfall
Bryant Washburn
Henchman Trigger
Anthony Warde
Stephen
Harry Harvey
Butler
Arthur Belasco
Director
James W. Horne
Story
Harry L. Fraser
Writer
George H. Plympton
Jesse Duffy
Morgan Cox
Lawrence Taylor
John Cutting
Producer
Larry Darmour
Music
Lee Zahler
Editor
Dwight Caldwell
Earl Turner
Cinematography
James S. Brown Jr.