Cast
Matthew Lillard
Shaggy Rogers (voice)
Frank Welker
Scooby-Doo / Fred Jones / Monster (voice)
Grey DeLisle
Daphne Blake (voice)
Kate Micucci
Velma Dinkley / Sandi (voice)
Jason Isaacs
King Arthur Pendragon (voice)
Nick Frost
Merlin (voice)
Greg Ellis
Herald / Herman Ellinger / British Passenger (voice)
Spike Brandt
Mr. HB (voice)
Ted Barton
Mayor Saunders / Sir Lancelot (voice)
Stephen Stanton
Peanut Vendor (voice)
Crew
Robert J. Kral
Original Music Composer
Christina Sotta
Director
Spike Brandt
Producer
Sam Register
Executive Producer
Jeremy Adams
Writer
Melchior Zwyer
Director
Collette Sunderman
Casting
Maxwell Atoms
Director
Maxwell Atoms
Producer
Jeremy Adams
Story
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