Scooby-Doo! Stage Fright is a 2013 direct-to-DVD animated musical comedy horror film, and the twenty-first entry in the direct-to-video series of Scooby-Doo films. It was released on August 20, 2013, by Warner Premiere, the last film to be released under this label due to its dissolution the previous year. The movie made its linear premiere on Cartoon Network in the United States on March 25, 2023.

Matthew Lyn Lillard is an American actor. His early film work includes Chip Sutphin in Serial Mom (1994), Emmanuel "Cereal Killer" Goldstein in Hackers (1995), Stu Macher in Scream (1996), Stevo in SLC Punk! (1998), Brock Hudson in She's All That (1999), Dennis Rafkin in Thirteen Ghosts (2001), and Jerry Conlaine in Without a Paddle (2004). He is best known for portraying Shaggy Rogers in Scooby-Doo (2002) and its sequel Scooby-Doo 2: Monsters Unleashed (2004), and in animation, he has been the voice of Shaggy since Casey Kasem retired from the role in 2009.