Scooby-Doo on Zombie Island sequences of interplay between Shaggy and Scooby for him. After Don Messick's death, Scott Innes replaced Messick as the voice of Scooby-Doo. Casey Kasem did not reprise his role as Shaggy Rogers as he wished to only voice Shaggy if the character became a vegetarian, like himself. Instead, Billy West provided the voice for Shaggy. Mary Kay Bergman was cast as Daphne when the character was taken in a new direction. B.J. Ward, who played Velma in the "Johnny Bravo" crossover episode, reprised her role in this film. Frank Welker is the only actor from the original series to reprise
Scooby-Doo and Guess Who? Scooby-Doo and Guess Who? Scooby-Doo and Guess Who? is an upcoming American animated television series and the thirteenth animated series in the "Scooby-Doo" franchise by Hanna-Barbera, and produced by Warner Bros. Animation. The series is produced by Chris Bailey. The show is scheduled to premiere on the Boomerang streaming service and app in 2019. "Scooby-Doo and Guess Who?" focuses on the Mystery Inc. gang as they solve bigger mysteries while also encountering many memorable celebrities, just like in "The New Scooby-Doo Movies". Guest stars that have been announced for the show include Chris Paul, Sia, Halsey, Ricky Gervais, Kenan Thompson,