Fred / Scooby-Doo (voice)

Frank Welker

Acting

Velma (voice)

Mindy Cohn

Acting

Shaggy (voice)

Matthew Lillard

Acting

Daphne (voice)

Grey DeLisle

Acting

Demon (voice)

Gene Simmons

Acting

Starchild (voice)

Paul Stanley

Acting

Catman (voice)

Eric Singer

Acting

Manny Goldman (voice)

Garry Marshall

Acting

Chip McGhoo (voice)

Doc McGhee

Production

Delilah Domino (voice)

Pauley Perrette

Acting

Shandi Strutter (voice)

Rachel Ramras

Acting

The Elder (voice)

Penny Marshall

Acting

The Destroyer (voice)

Darius Rucker

Acting

Chikara (voice)

Jennifer Carpenter

Acting

Worker #1 (voice)

Jason Mewes

Acting

Worker #2 (voice)

Kevin Smith

Directing

Announcer (voice)

Tony Cervone

Directing

Spaceman (voice)

Tommy Thayer

Acting