Characters played by Frank Welker
Scooby-Doo
Fred Jones
Characters played by Grey Griffin
Daphne Blake
Characters played by Matthew Lillard
Shaggy Rogers
Characters played by Kate Micucci
Velma Dinkley
Characters played by Phil Morris
Adam
Treasure Hunter #1
Characters played by Colleen O'Shaughnessey
Wanda
Characters played by Sean Schemmel
Charlie
Treasure Hunter #2
Characters played by Jason Spisak
Kyle