Jennifer Connelly (born December 12, 1970) is an American film actress and former child model who was well known for her role as Alicia Nash in the 2001 biographical drama film, A Beautiful Mind, which earned her an Academy Award, a Golden Globe, and a BAFTA Award for Best Supporting Actress. She is also known for her roles as Sarah in Labyrinth, Marion Silver in Requiem for a Dream, and Betty Ross in Hulk.

She played Jenny Blake, in Disney's 1991 super hero film The Rocketeer, Irene in the 1994 Miramax Films film Of Love and Shadows, and Dahlia Williams in the 2005 Touchstone Pictures film Dark Water.

She voices KAREN in Spider-Man: Homecoming.