By Kate Ward
Updated July 13, 2009 at 02:00 PM EDT

Susan Sarandon and John Goodman are the latest actors to sign on to star in You Don’t Know Jack, HBO Films’ biopic about Dr. Jack Kevorkian, the doctor who was famously convicted of second-degree murder in 1999 after assisting in more than 130 suicides. The project—which is loosely based on the book Between the Dying and the Dead, by Neal Nicol and Harry Wylie—also stars Al Pacino, and is being directed by Barry Levinson. Sarandon will play Janet Good, an activist who supports Kevorkian, andGoodman will play Nicol, a friend of the infamous doctor.