Sisto played Elton, a wealthy, arrogant student at Bronson Alcott High School. The actor married Marisa Ryan in the 1990s, but they split in 2002. He welcomed a daughter, Charlie Ballerina, with then-girlfriend Addie Lane in June 2009; four months later, Sisto and Lane swapped vows. They welcomed a son, Bastian Kick, in March 2012. Sisto's other film and TV credits include Six Feet Under, Law & Order, Thirteen, Waitress and Suburgatory.