출연진
Grant Withers
Officer Pat O'Hara
C. Montague Shaw
Mr. Wellington
Wheeler Oakman
Stevens, gang chemist
Earl Dwire
Jeremiah Crockett
Monte Montague
James Pollard
Kay Hughes
Molly Selkirk
Max Hoffman Jr.
Harry Selkirk
Stanley Blystone
Plant Foreman
Tom London
Eddie Lewis
Eddie Parker
Police Dispatcher / Steel Mill Worker
Frank Sully
Flynn
Adrian Morris
Officer Sam Maloney
Harry Davenport
John P. Adams, inventor
Pat Gleason
Blake
Carey Loftin
Pollard Henchman
Dick Botiller
Henchman Zutta
William Gould
1925 Police Chief
Harry Tenbrook
Henchman
Jim Toney
Henchman
Florence Wright
Pollard's Secretary
Mickey Rentschler
Pinky Adams
Frank Lackteen
Mr. Tahata, alias Warner the Great
Richard Cramer
Charlie
William Royle
Inspector Clark
Jack Mulhall
Desk Sergeant
Hooper Atchley
Casey
Charles Murphy
Hobo-Henchman
Ernie Adams
Hobo
Ray Teal
Perkins