Jeremy Merton Sisto (born October 6, 1974) is an American actor, producer, and writer. Sisto had recurring roles as Billy Chenowith in HBO's Six Feet Under and as NYPD Detective Cyrus Lupo in NBC's Law & Order. He also starred in the comedy Clueless (1995), the biblical television film Jesus (1999), the drama Thirteen (2003), and the horror film Wrong Turn (2003). In 2004, he portrayed bigoted baseball player Shane Mungitt in Take Me Out, for which he was nominated for a Los Angeles Drama Critics Circle Award for Featured Performance in a Play. In 2006, Sisto starred in Festen on Broadway.
From 2011 until its ending in 2014, he starred as George Altman in the ABC sitcom Suburgatory, for which he was nominated for a Critics' Choice Television Award for Best Actor in a Comedy Series. Sisto co-wrote the screenplay for the comedy film Break Point (2014), in which he also starred. In 2015, he starred in A&E's The Returned. From 2016 to 2018, Sisto portrayed Freddy Green in the Audience Network drama series Ice. In 2018, Sisto also portrayed Jubal Valentine in the CBS drama series FBI.