Kathleen is an award winning American film and television actress whose professional career began when George Lucas visited her high school to cast for his movie American Graffiti (1973). In subsequent years, Kathleen has been cast in several movies and TV shows, and also in the off-Broadway production Taken in Marriage (1979) where Kathleen played Annie, alongside Meryl Streep.

In a career spanning more than 40 years, Kathleen has starred in scores of movies including Airport ’77 (1977), Hanky Panky (1982), Twilight Zone: The Movie (1983), Sunset (1988), The Doors (1991), Event Horizon (1997), The Hills Have Eyes (2006), Breach (2007), Made of Honor (2008) and Horns (2013).

Kathleen has over 50 television credits including appearances in shows such as Kojak (1974), Ironside (1974), The Waltons (1976), Alfred Hitchcock Presents (1986-1988), Diagnosis Murder (1999), House M.D. (2006), CSI: Crime Scene Investigation (2007), Prison Break (2008-2009), The Event (2010), SGU Stargate Universe (2011), Glee (2011), Chicago Fire (2012-2013) and Blue (2012-2014).

In 2010, Kathleen produced and acted in the comedy/drama Eagles in the Chicken Coop.

Kathleen has won the Blockbuster Entertainment Favorite Supporting Actress – Suspense Award for her performance in Breakdown (1997), the Myfest Best Actress Award for her performance in Blackout (1985), and the OFTA Television Award as the Best Actress in a New Drama Series for Family Law (1999).

For her portrayal of Deborah, a schizophrenic, in the 1977 feature film I Never Promised You a Rose Garden, Kathleen was nominated for a Best Actress Golden Globe award.

In 1996, she received a Best Supporting Actress Oscar nomination and a Best Supporting Actress Golden Globe nomination for her role opposite Tom Hanks in the film Apollo 13.