Humphrey Bogart was a famous actor who starred in many films, and his most iconic roles were SPADE, Queeg, Mantee, Sam SPADE, and Duke Mantee. SPADE was a private detective in the 1941 film 'The Maltese Falcon', Queeg was a paranoid captain in the 1954 film 'The Caine Mutiny', Mantee was a gangster in the 1941 film 'The Petrified Forest', Sam SPADE was a private detective in the 1946 film 'The Big Sleep', and Duke Mantee was a gangster in the 1939 film 'The Roaring Twenties'.