Jeff Donnell
as Sylvia Nicolai
Humphrey Bogart
as Dixon Steele
Alix Talton
as Fran Randolph (uncredited)
Gloria Grahame
as Laurel Gray
Frank Lovejoy
as Det. Sgt. Brub Nicolai
George Davis
as Waiter (uncredited)
Ruth Warren
as Effie, Cleaning Lady (uncredited)
William Ching
as Ted Barton
Steven Geray
as Paul
Robert Warwick
as Charlie Waterman
Martha Stewart
as Mildred Atkinson
Art Smith
as Mel Lippman
Morris Ankrum
as Lloyd Barnes
Hadda Brooks
as Singer
Jack Reynolds
as Henry Kesler (uncredited)
Ruth Gillette
as Martha, Masseuse (uncredited)
Guy Beach
as Mr. Swan (uncredited)
Lewis Howard
as Junior (uncredited)
Michael Romanoff
as Prince Romanoff (uncredited)
Arno Frey
as Joe (uncredited)
Pat Barton
as 2nd Hatcheck Girl (uncredited)
Cosmo Sardo
as Bartender (uncredited)
Don Hamin
as John Mason (uncredited)
Billy Gray
as Young Boy seeking autograph (uncredited)
Melinda Erickson
as Tough Girl (uncredited)
Jack Jahries
as Officer (uncredited)
David Bond
as Dr. Richards (uncredited)
Myron Healey
as Post Office Clerk (uncredited)
Robert Lowell
as Airline Clerk (uncredited)