Freddie Jones / Scooby-Doo (voice)

Velma Dinkley (voice)

Daphne Blake (voice)

Shaggy Rogers (voice)

Fortius / Announcer (voice)

Sergey Plotnikov (voice)

Steve Looker (voice)

Diane (voice)

Jack Riggins / Igor (voice)

Daphne Blake (uncredited)