Tunney was born in Chicago, Illinois, to a car salesman father and a bartender mother. Tunney is Irish American; her father emigrated from Ireland and her mother is a first generation Irish-American. Tunney is Roman Catholic, and grew up on the South Side of Chicago. Robin graduated from Carl Sandburg High School in the class of 1990. She then went on to study acting at the Chicago Academy for the Read more...

At the age of eighteen, Tunney moved to Los Angeles, California and obtained several recurring TV roles on Class of '96, Law & Order, Dream On, and Life Goes On. Her breakthrough role was as a suicidal teenager in Empire Records before receiving the leading role as a Gothic witch in The Craft, alongside Fairuza Balk, Neve Campbell and Rachel True. Robin shaved her head for her role in Empire Read more...

In 1997, Tunney married producer/director Bob Gosse. They were separated in 2002. In 2007, she married Australian director Andrew Dominik.

On June 28, 2006, Tunney won the 5th table of Bravo's Celebrity Poker Showdown's 8th season, finishing ahead of Christopher Meloni, Macy Gray, Joy Behar, and Andy Dick, moving on to the final table. The finale aired on July 5, 2006, where she competed against Read more...