Julianne Moore (born December 3, 1960) is an American actress and children's author. Prolific in cinema since the early 1990s, Moore is particularly known for her portrayals of emotionally troubled women. Her career has involved both art house and Hollywood films, and she has received five Academy Award nominations.

After studying theatre at Boston University, Moore began her career with a series of television roles. From 1985 to 1988, she was a regular in the soap opera As the World Turns, earning a Daytime Emmy for her performance. Her film debut was in 1990, and she continued to play supporting roles throughout the early 1990s. Moore made her breakthrough with Robert Altman's Short Cuts (1993), followed by critically acclaimed performances in Vanya on 42nd Street (1994), and Safe (1995). Starring roles in the blockbusters Nine Months (1995) and The Lost World: Jurassic Park (1997) established her as a leading Hollywood actress.Julianne Moore wins the Best Actress award at the Cannes Film Festival in 2015.