Cast
Billy Halop
Billy Barton
Roger Daniel
Midge
Cy Kendall
Brand
Edward Fielding
Professor Farraday (uncredited)
Julie Duncan
Crawford's Secretary (uncredited)
Bert Moorhouse
Elevator Operator (uncredited)
Bernard Punsly
Lug
Al Hill
Henchman Burke (uncredited)
George Eldredge
Draftsman Lynch (uncredited)
Jim Farley
Accusing Pedestrian (uncredited)
Kenneth Howell
Harry Trent
Florence Halop
Mary
Huntz Hall
Gyp
Ray Turner
Chauffeur (uncredited)
Ralph Peters
Henchman Greeley (uncredited)
Lew Harvey
Woods - Farraday's Pilot (uncredited)
Eddie Parker
Truck Driver (uncredited)
David Sharpe
Henchman on Stairs (uncredited)
Ben Taggart
Severn
Edgar Edwards
Henchman Evans
William Desmond
Irish Cop (uncredited)
Pierce Lyden
Henchman (uncredited)
Charles McAvoy
Policeman (uncredited)
Phillip Terry
Jim Bradford
Gene Rizzi
Henchman Foster
Jean Brooks
Waitress (uncredited)
William Hall
FBI Agent Watson (uncredited)
Ethan Laidlaw
Watchman (uncredited)
Gabriel Dell
Terry
Russell Hicks
Col. Barton
Donald Curtis
Henchman Akin (uncredited)
Lane Chandler
Second Cop at Building Collapse (uncredited)
Kenneth Harlan
Dyer, Factory Gate Guard (uncredited)
Tom London
Kearney - Riot Squad Cop (uncredited)
Jack Cheatham
First Cop at Building Collapse (uncredited)