On screen
Cast
12 credited performers
Casey Kasem
Shaggy Rogers (voice)
Jennifer Hale
(voices)
Rachael MacFarlane
Character not listed
Ian James Corlett
(voice)
Frank Welker
Fred Jones / Scooby-Doo (voice)
Grey DeLisle
Daphne Blake (voice)
Mindy Cohn
Velma Dinkley (voice)
John Stephenson
Bob Taylor (voice)
Tara Strong
Character not listed
John DiMaggio
(voice)
Eddie Deezen
Gibby Norton (voice)
Ron Perlman
(voice)