Characters played by Humphrey Bogart
Dixon Steele
Characters played by Gloria Grahame
Laurel Gray
Characters played by Frank Lovejoy
Brub Nicolai
Characters played by Carl Benton Reid
Capt. Lochner
Characters played by Art Smith
Mel Lippman
Characters played by Jeff Donnell
Sylvia Nicolai
Characters played by Martha Stewart
Mildred Atkinson
Characters played by Robert Warwick
Charlie Waterman
Characters played by Morris Ankrum
Lloyd Barnes
Characters played by William Ching
Ted Barton
Characters played by Steven Geray
Paul
Characters played by Hadda Brooks
Singer
Characters played by James Arness
Young Detective
Characters played by Pat Barton
Second Hat Check Girl
Characters played by Guy Beach
Mr. Swan
Characters played by David Bond
Dr. Richards
Characters played by Hazel Boyne
Person
Characters played by Laura K. Brooks
Lady Wanting Matches
Characters played by Charles Cane
Angry Husband in Convertible
Characters played by Jack Chefe
Bartender
Characters played by Oliver Cross
Person
Characters played by George Davis
Waiter
Characters played by Melinda Erickson
Tough Girl
Characters played by Charles Fogel
Bar Patron
Characters played by Arno Frey
Joe
Characters played by Ruth Gillette
Martha
Characters played by Billy Gray
Young Boy Seeking Autograph
Characters played by Joy Hallward
Bit Role
Characters played by Don Hamin
John Mason
Characters played by Myron Healey
Post Office Clerk
Characters played by Lewis Howard
Junior
Characters played by Jack Jahries
Officer
Characters played by Mike Lally
Bar Patron
Characters played by Tony Layng
Bit Role
Characters played by Mark Lowell
Airline Clerk
Characters played by Frank Marlowe
Dave
Characters played by Harold Miller
Nightclub Patron
Characters played by John Mitchum
Bar Patron
Characters played by George Nardelli
Nightclub Patron
Characters played by Allen Pinson
Bit Role
Characters played by Jack Reynolds
Henry Kesler
Characters played by Davis Roberts
Flower Shop Employee
Characters played by Michael Romanoff
Prince Romanoff
Characters played by Jack Santoro
Bit Role
Characters played by Cosmo Sardo
Bartender
Characters played by Alix Talton
Frances Randolph
Characters played by Evelyn Underwood
Bit Role
Characters played by June Vincent
Actress in Convertible
Characters played by Ruth Warren
Effie