Matthew Lyn Lillard is an American actor, comedian, director, and producer best known for his role as Shaggy Rogers in Scooby-Doo, and its sequel Scooby-Doo 2: Monsters Unleashed, and in animation, he has been the voice of Shaggy since Casey Kasem retired from the role. As well as Stevo in SLC Punk!, Brock Hudson in She’s All That, and  Stu Macher in the horror films Scream and Scream 2.

He’s also been on Good Girls, Robot Chicken, Bosch, Twin Peaks, Without a Paddle, The Perfect Score, Thir13en Ghosts, Summer Catch, and Wicker Park, with appearances on American Dad!, Critical Role, Teen Titans Go!, Criminal Minds, Supernatural, The Replacements, and Law & Order: Special Victims Unit.