Tom Steele
The Masked Marvel
Tom Steele
The Masked Marvel
Louise Currie
Alice Hamilton
Johnny Arthur
Mura Sakima
William Forrest
Martin Crane
Anthony Warde
'Killer' Mace
Rod Bacon
Jim Arnold
Richard Clarke
Frank Jeffers
David Bacon
Bob Barton
Bill Healy
Terry Morton
Howard Hickman
Warren Hamilton
Eddie Parker
Meggs
Kenneth Harlan
Gas Works Policeman
Thomas Louden
Matthews
Duke Green
Carl - Delivery-Truck Thug / Spike - Gas works saboteur / Kaler - Roof-top thug
Dale Van Sickel
Tall Gas-Works Saboteur / Station-Wagon Thug / Super-X Warehouse Thug #1
Wendell Niles
Newscaster
Lester Dorr
Reporter #1
Spencer Gordon Bennet
Director
Royal K. Cole
Screenplay
Ronald Davidson
Screenplay
Basil Dickey
Screenplay
Jesse Duffy
Screenplay
Grant Nelson
Screenplay
George H. Plympton
Screenplay
Joseph F. Poland
Screenplay
William J. O'Sullivan
Producer
Wallace Grissell
Editor
Earl Turner
Editor
Ern Westmore
Makeup Artist
Howard Lydecker
Special Effects
Theodore Lydecker
Special Effects
John Daheim
Stunts
Bud Geary
Stunts
Fred Graham
Stunts
Duke Green
Stunts
Charles Hutchison
Stunts
Thom Metzetti
Stunts
Betty Miles
Stunts
Eddie Parker
Stunts
Preston Peterson
Stunts
Allen Pomeroy
Stunts
Tom Steele
Stunts
Dale Van Sickel
Stunts
Joe Yrigoyen
Stunts
Reggie Lanning
Director of Photography
Mort Glickman
Original Music Composer
Ken Terrell
Stunts