Scooby-Doo

Freddie Prinze Jr.

Fred

Sarah Michelle Gellar

Daphne

Matthew Lillard

Shaggy

Linda Cardellini

Velma

Neil Fanning

Scooby Voice (voice)

Rowan Atkinson

Mondavarious

Isla Fisher

Mary Jane

Miguel A. Núñez Jr.

Voodoo Maestro

Steven Grives

N' Goo Tuana

Charles Stan Frazier

Sugar Ray

Craig Bullock

Sugar Ray

Matthew Murphy Karges

Sugar Ray

Mark McGrath

Sugar Ray

Rodney Sheppard

Sugar Ray

Sam Greco

Zarkos

Charlie Cousins

Velma's Friend

Kristian Schmid

Brad

Nicholas Hope

Old Man Smithers