"After crooked nightclub owner murders a police informant, he blackmails his piano player to allow him to stay at his eccentric mother's boarding house."
Humphrey Bogart
as Grasselli ("Chips Maguire")
Ann Sheridan
as Sarah Jane Ryan
Jeffrey Lynn
as Tommy Taylor
Zasu Pitts
as Miss Flint
Una O'Connor
as Maggie Ryan
Jessie Busley
as Mrs. Taylor
John Litel
as Mr. Roberts
Grant Mitchell
as Rene Salmon
Felix Bressart
as The Great Boldini
Charles Judels
as Henri Pepi de Bordeaux
Brandon Tynan
as Mr. Van Diver
Howard Hickman
as Mr. Prendergast
Herb Vigran
as Monks
Tommy Reilly
as Self
Aldrich Bowker
as Father McDuffy (uncredited)
Eddy Chandler
as Danny (Detective) (uncredited)
Frank Fanning
as Detective with Danny (uncredited)
James Flavin
as Roaring 90's Club Doorman (uncredited)
Bess Flowers
as Lady in Audience (uncredited)
Edward Gargan
as Police Desk Sergeant (uncredited)
Chuck Hamilton
as Policeman (uncredited)
as Cairo Club Doorman (uncredited)
Jack Mower
as Head Policeman at Raid (uncredited)
Lee Phelps
as Police Officer Pegasee (uncredited)
Dale Van Sickel
as Man in Nightclub (uncredited)
Claude Wisberg
as Special Delivery Boy (uncredited)
Lewis Seiler
Director
Louis Bromfield
Story
Michael Fessier
Screenplay
Lawrence Kimble
Mark Hellinger
Producer
Jack L. Warner
Executive Producer
Ernest Haller
Director of Photography
Thomas Richards
Editor
Heinz Roemheld
Original Music Composer
Hal B. Wallis
Max Parker
Art Direction
Howard Shoup
Costume Design
Perc Westmore
Makeup Artist
Louis Baum
Unit Manager
Russell Saunders
Assistant Director
Dolph Thomas
Sound
Edwin B. DuPar
Special Effects
Byron Haskin
Leo F. Forbstein
Music Director
Max Steiner
Music
Howard Jackson
Edward B. Claypoole
Book