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.

The film was later nominated for a Pacific Southwest Emmy Award at National Academy of Television Arts and Sciences.

Principal photography for the film took place at The Old Townhouse Restaurant in Ocean Beach, San Diego.

[2] Brueggemeyer said "We wanted to turn film noir genre on its ears," referring to Chandler's character having a flatulence issue.