Julianne Moore (born December 3, 1960) is an American actress.

She began her acting career in 1983 in minor roles, before joining the cast of the soap opera, As the World Turns, for which she won a Daytime Emmy Award in 1988. She began to appear in supporting roles in films during the early 1990s, achieving recognition in several independent films before her performance in Boogie Nights (1997) brought her widespread attention and nominations for several major acting awards.

Her success continued with films such as The End of the Affair (1999) and Magnolia (1999). She was acclaimed for her portrayal of a betrayed wife in Far from Heaven (2002), winning several critic awards as best actress of the year, in addition to several other nominations, including the Academy Award, Golden Globe, and Screen Actors Guild Award. The same year she was also nominated for several awards as best supporting actress for her work in The Hours.