Frank Welker

Freddie Jones / Scooby-Doo (voice)

Acting

Grey DeLisle

Daphne Blake (voice)

Acting

Matthew Lillard

Shaggy Rogers (voice)

Acting

Mindy Cohn

Velma Dinkley (voice)

Acting

Troy Baker

Sergey Plotnikov (voice)

Acting

Robin Atkin Downes

Fortius / Announcer (voice)

Acting

Josh Keaton

Steve Looker (voice)

Acting

Janet Montgomery

Diane (voice)

Acting

James Patrick Stuart

Jack Riggins / Igor (voice)

Acting

Domitilla D'Amico

Daphne Blake (uncredited)

Acting