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.

[1] He also appeared on the CBS series Criminal Minds in an episode entitled "Safe Haven."

[2] He worked with Colin Firth, Emily Blunt and Anne Heche in the 2012 film, Arthur Newman.

[3] Beaumon's voice-over work includes one of the English voices in the Japanese anime series Gunsword and the CGI created Astro Boy[2] film.