Mary Pat Gleason (February 23, 1950[citation needed] – June 2, 2020) was an American film and television actress and an Emmy Award-winning writer.

From 1983 to 1985, she appeared as "Jane Hogan" on the daytime soap opera Guiding Light, for which she was also a writer.

She appeared in more than 50 feature films, including I Now Pronounce You Chuck & Larry, Basic Instinct, Traffic, Bruce Almighty, 13 Going on 30, The Crucible, Bottle Shock, A Cinderella Story, The Island, Killing Kennedy, and Nina.

In one of her last roles, she voiced Professor Foxtrot in CollegeHumor's animated web series WTF 101.

[1] Gleason became a vocal proponent of mental health treatment, and in 2006 wrote and starred in Stopping Traffic, a one-woman play about her struggles with bipolar disorder.