Scooby-Doo 2: Monsters Unleashed, released in 2004, is the sequel to the first live-action Scooby-Doo film. It features the same cast as the original. In the sequel, Mystery Inc. must save Coolsville from an attack of past unmasked monsters brought to life by an evil masked figure trying to "unmask" the gang.
- Linda Cardellini as Velma Dinkley
- Neil Fanning as the voice of Scooby-Doo
- Sarah Michelle Gellar as Daphne Blake
- Matthew Lillard as Shaggy Rogers
- Freddie Prinze, Jr. as Fred Jones