The Heiress Lethal, also known as The Fatal Heir, is a 2010 American noir comedy short film directed by Michael Brueggemeyer and written by Marianne Bates. The film stars Merrick McCartha, Cristyn Chandler, Jim Teiper and Ron Christopher Jones. It won Best Film at 48 Hour Film Project San Diego and screened at the 2011 Cannes Film Festival after qualifying through Filmapalooza at the Miami International Film Festival. The film was later nominated for a Pacific Southwest Emmy Award at National Academy of Television Arts and Sciences.