Shaggy Rogers (voice)

Matthew Lillard

Acting

Scooby-Doo / Fred Jones / Monster (voice)

Frank Welker

Acting

Daphne Blake (voice)

Grey DeLisle

Acting

Velma Dinkley / Sandi (voice)

Kate Micucci

Acting

King Arthur Pendragon (voice)

Jason Isaacs

Acting

Merlin (voice)

Nick Frost

Acting

Herald / Herman Ellinger / British Passenger (voice)

Greg Ellis

Acting

Mr. HB (voice)

Spike Brandt

Directing

Mayor Saunders / Sir Lancelot (voice)

Ted Barton

Acting

Peanut Vendor (voice)

Stephen Stanton

Acting

Female Peasent (voice)

Kari Wahlgren

Acting

Black Knight (voice)

Fred Tatasciore

Acting

Man Cat (voice)

Trevor Devall

Acting