"Inspector Steve Trent tracks the stolen Cortez emerald, last pilfered by a murdered gangster."
Ralph Bellamy
as Insp. Steve Trent
Shirley Grey
as Gloria Gale
Arthur Hohl
as Beckett
Charles Sabin
as Dan Terrence
J. Carrol Naish
as Russo
Ward Bond
as Wynkoski
Edward LeSaint
as Chief of Police O'Brien (as Ed Le Saint)
Vincent Sherman
as Willie Tolini
Edward Keane
as Thornton
Al Bercovici
as Ted Austin - Orchestra Leader
Robert Allen
as Reporter (uncredited)
Earl Askam
as Detective (uncredited)
Chester A. Bachman
as Night Watchman (uncredited)
Arthur Belasco
Don Brodie
Frank Bull
as Radio Policeman (uncredited)
Eddy Chandler
as Police Sgt. Brady (uncredited)
Jack Cheatham
as Police Officer (uncredited)
Steve Clark
as Headwaiter (uncredited)
Nick Copeland
Kernan Cripps
as Policeman (uncredited)
Floyd Criswell
John Webb Dillion
Frank Fanning
Bess Flowers
as Nightclub Patron (uncredited)
Sam Godfrey
as Crook (uncredited)
Charles Hickman
as House Detective (uncredited)
Francis McDonald
as Tony - Russo Henchman (uncredited)
Charles McMurphy
Bruce Mitchell
Geneva Mitchell
as Thornton's Secretary (uncredited)
Pat O'Malley
as Police Sgt. Rollins (uncredited)
Richard Powell
as Police Lieutenant (uncredited)
Dick Rush
Emmett Vogan
as Lawyer Gregory (uncredited)
Stanhope Wheatcroft
Frank Yaconelli
as Waiter (uncredited)
Ernie Young
D. Ross Lederman
Director
Otto Meyer
Editor
Harold Shumate
Screenplay
Harold Dodds
Casting
William Perlberg
Irving Briskin
Production Supervisor
Benjamin H. Kline
Cinematography
Wilbur McGaugh
Assistant Director
Fred Dawson
Assistant Camera
Howard Robertson
Gaffer
John L. Russell
George Cooper
Sound Engineer
Walter Meins
Grip
Fayte M. Browne
Camera Operator
Ned Winchester
Stunts