Freddie Jones / Scooby-Doo (voice)

Frank Welker

Acting

Velma Dinkley (voice)

Mindy Cohn

Acting

Daphne Blake (voice)

Grey DeLisle

Acting

Shaggy Rogers (voice)

Matthew Lillard

Acting

Fortius / Announcer (voice)

Robin Atkin Downes

Acting

Sergey Plotnikov (voice)

Troy Baker

Acting

Steve Looker (voice)

Josh Keaton

Acting

Diane (voice)

Janet Montgomery

Acting

Jack Riggins / Igor (voice)

James Patrick Stuart

Acting

Daphne Blake (uncredited)

Domitilla D'Amico

Acting