Frank Welker

~ as ~

Scooby-Doo / Fred Jones (voice)

Grey DeLisle

~ as ~

Daphne Blake (voice)

Matthew Lillard

~ as ~

Shaggy Rogers (voice)

Kate Micucci

~ as ~

Velma Dinkley (voice)

Cassandra Peterson

~ as ~

Elvira, Mistress of the Dark (voice)

Bill Nye

~ as ~

Bill Nye (voice)

Dwight Schultz

~ as ~

Dr. Crane, AKA: Scarecrow (voice)

Kamali Minter

~ as ~

Michelle (voice)

Bumper Robinson

~ as ~

Mike (voice)

Roger Craig Smith

~ as ~

Autopilot / Parent (voice)