Grant Withers

Character: Officer Pat O'Hara

Adrian Morris

Character: Officer Sam Maloney

Kay Hughes

Character: Molly Selkirk

Mickey Rentschler

Character: Pinky Adams

Silver Wolf

Character: Irish

Gordon Hart

Character: W.H. Harrison

Frank Lackteen

Character: Mr. Tahata, alias Warner the Great

C. Montague Shaw

Character: Mr. Wellington

Harry Davenport

Character: John P. Adams, inventor

Wheeler Oakman

Character: Stevens, gang chemist

Max Hoffman Jr.

Character: Harry Selkirk

Jack Mulhall

Character: Desk Sergeant

Earl Dwire

Character: Jeremiah Crockett

Leonard Lord

Character: Franklin, the real Tahata

Dick Botiller

Character: Henchman Zutta

Louis Vokali

Character: Henchman / Off-screen Trainer of Silver Wolf

Ernie Adams

Character: Hobo

Hooper Atchley

Character: Casey

Stanley Blystone

Character: Plant Foreman

Richard Cramer

Character: Charlie

Jack Gardner

Character: Intern

Pat Gleason

Character: Blake

William Gould

Character: 1925 Police Chief

Al Herman

Character: Hobo Finding Suitcase

Carey Loftin

Character: Pollard Henchman

Tom London

Character: Eddie Lewis

Monte Montague

Character: James Pollard

Charles Murphy

Character: Hobo-Henchman

Eddie Parker

Character: Police Dispatcher / Steel Mill Worker

Henry Roquemore

Character: The Chef

William Royle

Character: Inspector Clark

Tom Steele

Character: Police Car 27 Driver

Frank Sully

Character: Flynn

Ray Teal

Character: Perkins

Harry Tenbrook

Character: Henchman

Jim Toney

Character: Henchman

Florence Wright

Character: Pollard's Secretary