Article continues below advertisementDiane Keaton Dominated Broadway Before Launching Her Career in TV and FilmSource: MEGADiane Keaton died on October 11.Diane Keaton made an indelible mark as one of the most sought-after Hollywood actresses.Born on January 5, 1946, in Los Angeles, Calif., Keaton made her acting debut in the Broadway production of Hair in 1968. After nine months in the show, she left the cast to pursue other projects, including the 1969 film Play It Again, Sam.