Humphrey Bogart and Lauren Bacall were able to appear in five movies together. These movies include: a romantic comedy, " To Have and Have Not" (1944), a crime mystery film "The Big Sleep" (1946), a fun comedy, "Two Guys from Milwaukee" (1946), a popular thriller, "Dark Passage" (1947), and a crime drama, "Key Largo" (1948).

In 1943, Humphrey Bogart met Lauren Bacall on the set of "To Have and Have Not". At the time, Bacall was 19 years old and living with her mother. She was not married; Bogart was 44 and married to actress Mayo Methot. They became romantically involved and were wed in 1945. They had two children and remained together until Bogart's death from cancer in 1957. Of Bogart's four marriages, it is said that the only one to bring him any happiness was the one to Bacall. People knew that he adored her since he called her "Baby" both in private and in public.

In 1955, they told the press that their most memorable films together include "The Big Sleep", "Dark Passage", and "Key Largo". They recalled that they had very good chemical (synthesis reactions) together when they made their four major big screen pictures. In "Two Guys from Milwaukee", they just appeared for fun. They added a little divergence!

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