作者 Sam Robins

导演 华莱士·福克斯

Prof. Frederick Brenner aka Karl Wagner 贝拉·卢戈西

Richard Dennison John Archer

Judy Malvern Wanda McKay

Frankie Mills Tom Neal

Charley Vince Barnett

Mrs. Brenner Anna Hope

Fingers Dolan John Berkes

Capt. Mitchell J. Farrell MacDonald

Det. Pete Crawford Dave O'Brien

Mrs. Malvern Lucille Vance

Doc Brooks Lew Kelly

"Trigger" Stratton Wheeler Oakman

The Big Tramp Ray Miller

Det. Thompson (uncredited) George Eldredge

Police Chief Martin (uncredited) Eddie Kane

Knocked-out Motorist (uncredited) Harry 'Snub' Pollard

Shopkeeper (uncredited) Bernard Gorcey

Jeweler (uncredited) Willy Castello

Henchman (unconfirmed) (uncredited) Bob Reeves

Coroner (uncredited) Walter McGrail

Usher (uncredited) Jack Kenney

Cards-player Tramp (uncredited) Ralph Littlefield

Tramp questioned by Richard (uncredited) Pat Costello

Tramp playing checkers at 'Friendly Mission' (uncredited) Eddie Hall

Tramp Playing Checkers at Friendly Mission (uncredited) Theodore Lorch

Tramp (uncredited) Victor Adamson

Newsboy (uncredited) Bobby Stone