Diane Keaton Diane Keaton is an Oscar-winning actor who has earned recognition for her contribution in several Woody Allen films and her dramatic performance in The God Father Series. Last Updated: October 31, 2023 | By Justin Share this In Relation Actor Facts of Diane Keaton Full Name: Diane Keaton Age: 78 years 3 months Birth Date: January 05, 1946 Horoscope: Capricorn Net Worth: $50 million Profession: Actor Marital Status: In Relation Relationship affair ?: No Is lesbian ?: No Nationality: American Weight: 56 kg Lucky Number: