Humphrey Deforest Bogart (1899-1957) American actor. Bogart's screen persona (not unlike his true personality) was that of a cynical tough guy with a heart of gold. His films include Casablanca, To Have and Have Not, and The Big Sleep, the latter two also starring his fourth wife Lauren Bacall (Betty Joan Perske) (Source: Brockhampton Reference: Dictionary of Biography)

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Hollywood Remains to be Seen - New book by Mark Masek