A New York-based actor, True-Frost has been an ensemble member of the Steppenwolf Theatre Company in Chicago since 1989. Prior to that, he was a member of Remains Theater, co-founded by actor William L. Petersen (To Live and Die in L.A., CSI: Crime Scene Investigation), where he worked with such performers as Amy Morton, Gary Cole, and D. W. Moffett. True-Frost appeared in the film Off the Map—with fellow Steppenwolf ensemble member Joan Allen, directed by Singles co-star Campbell Scott—Affliction, The Hudsucker Proxy, Singles, Normal Life and Far Harbor. He has performed on Broadway and as far away as Sierra Leone.
Jim graduated from New Trier High School in Winnetka, Illinois. When he married lawyer and legal scholar Cora Frost in 1999, both changed their last names to True-Frost. Jim and his wife now resides in Harvard Square Cambridge, MA
True-Frost appeared in 2008 as Brutus in the American Repertory Theatre's production of William Shakespeare's Julius Caesar, as well as Steppenwolf's Broadway run of "August: Osage County," which won the Tony for Best Revival of a Play.