Is an American actor. He is known for his roles as Max Doyle in the 2008 film, Mostly Ghostly, and as young Benjamin Linus in the ABC television series, Lost. Beaumon has had guest roles in Law & Order SVU, Criminal Minds, CSI: Crime Scene Investigation. He has starred in series such as The Killing and as "Seamus" on the television show Clue, on The Hub channel.

Beaumon's voice-over work includes one of the English voices in the Japanese anime series Gunsword and the CGI created Astro Boy film. He was cast as Gabriel Walraven in the ABC series Red Widow. The series aired between March and May 2013. In 2014, he portrayed Lincoln Knopf on the fourth and final season of the Netflix series, The Killing.