Dennis Boutsikaris is an American actor, known for W., The Bourne Legacy, The Dream Team, and *batteries not included. Other film credits include Money Monster, Freeheld, She’s Lost Control, The Education of Charlie Banks, Surviving Picasso, Boys on the Side, Crocodile Dundee II, and War and Love.

Television credits include Professor Hearst on Showtime's Shameless, Al Archer on NBC's Law & Order, and Gil Byrnes on A&E's 100 Centre Street.

Theatre credits include his Broadway debut as Rudy in Bent (New Apollo Theatre), Umberto in Filumena (St. James Theatre), Wolfgang Amadeus Mozart in Amadeus (Broadhurst Theatre), and Jack Jerome in Brighton Beach Memoirs (Nederlander Theatre) and Off-Broadway, as Ian in The Other Place (Lucille Lortel Theatre), Pablo Picasso in A Picasso and Jonathan Waxman in Sight Unseen (N.Y.C. Center Stage), Phil Romano in That Championship Season (2econd Stage Theatre), and Charles Dumain in All’s Well That Ends Well (Delacorte Theatre).