Frank Welker

Scooby-Doo / Fred (voice)

Mindy Cohn

Velma (voice)

Grey DeLisle

Daphne (voice)

Matthew Lillard

Shaggy (voice)

Isabella Acres

Emma Gale (voice)

Troy Baker

The Phantom / Lance Damon (voice)

Eric Bauza

K.J. (voice)

Jeff Bennett

Mike Gale/ Mel Richmond (voice)

Wayne Brady

Brick Pimiento (voice)

Vivica A. Fox

Lotte Lavoie (voice)

Kate Higgins

Meg Gale / Cathy (voice)

Peter MacNicol

Dewey Ottman (voices)

Candi Milo

Barb Damon (voice)

John O'Hurley

The Great Pauldini (voice)

Cristina Pucelli

Colette (voice)

Kevin Michael Richardson

Security Guard #1 / Hotel Clerk (voice)

Paul Rugg

Steve Trilby (voice)

Tara Sands

Nancy (voice)

Tara Strong

News Anchor / Donna (voice)

Travis Willingham

Waldo (voice)

Ariel Winter

Chrissy Damon (voice)