Scott William Winters is an American actor. Winters is of Irish and Italian descent, and grew up on Long Island and in Scottsdale, Arizona. He attended Brophy College Preparatory, a Jesuit school in Phoenix. Winters has three siblings: brothers Dean (an actor) and Bradford (a poet/writer), and a sister, Blair Winters. Scott is best known for playing Cyril O'Reily in the HBO drama Oz opposite his brother, Dean, who appeared as Cyril's brother, Ryan. Winters had a notable role in the film Good Will Hunting as Clark, a pompous rival for Minnie Driver's attention who is bested by Matt Damon. He reprised the role, along with Damon and Ben Affleck, in a parody scene in Jay and Silent Bob Strike Back. He played Det. Stan Hatcher, a recurring character on the TV series NYPD Blue. He appeared in a few episodes of Season 6 of 24, as FBI Agent Samuels, and in Season 3 of The Americans as EST seminar leader Lawrence. He made an appearance in the show The Book of Daniel, in an episode that was only aired online.