Daphne Blake (voice)
Grey DeLisle
Peanut Vendor (voice)
Stephen Stanton
Man Cat (voice)
Trevor Devall
Black Knight (voice)
Fred Tatasciore
Mayor Saunders / Sir Lancelot (voice)
Ted Barton
Female Peasent (voice)
Kari Wahlgren
Scooby-Doo / Fred Jones / Monster (voice)
Frank Welker
Velma Dinkley / Sandi (voice)
Kate Micucci
Shaggy Rogers (voice)
Matthew Lillard
Merlin (voice)
Nick Frost
Herald / Herman Ellinger / British Passenger (voice)
Greg Ellis
King Arthur Pendragon (voice)
Jason Isaacs
Mr. HB (voice)
Spike Brandt
Original Music Composer
Robert J. Kral
Producer
Director
Maxwell Atoms
Writer
Executive Producer
Sam Register
Jeremy Adams
Christina Sotta
Melchior Zwyer
Casting
Collette Sunderman
Editor
Robert Ehrenreich
Mike Mangan
Colin A.B.V. Lewis
James Krieg
Story