Birthplace: Los Angeles
Tilly first came to the attention of American television audiences through her recurring guest role on Hill Street Blues (1984–85) though around the same time she also appeared in No Small Affair (1984) on the big screen. She had small parts in several films, including The Fabulous Baker Boys (1989) and The Doors (1991), and even appeared as a body double for her sister Meg Tilly in The Body Snatchers (1993). Eventually she began landing larger roles, as in The Getaway (1994) and Liar Liar (1997), as well as leading roles in Bound (1996), Relax…It's Just Sex (1998), and Hoods (1998). She was the voice of Celia in Monster's, Inc. (2001). She was a cast member of the CBS sitcom Out of Practice (2005).