Adam Arkin Dr. Aaron Shutt Actor Kim Greist Guest Star Jayne Brook Dr. Diane Grad Guest Star Héctor Elizondo Dr. Phillip Watters Actor Marcia Gay Harden Guest Star Mandy Patinkin Dr. Jeffrey Geiger Actor E.G. Marshall Actor Roxanne Hart Actor Thomas Gibson Actor Peter MacNicol Actor Roma Maffia Actor Dean Stockwell Guest Star Peter Berg Dr. Billy Kronk Actor Diane Venora Actor Charles Cioffi Guest Star Stephen Tobolowsky Guest Star Jeff Perry Guest Star Cotter Smith Guest Star Johnny Crear Guest Star Fran Elliott Guest Star James C. Hart Producer David E. Kelley Executive Producer