Scooby Doo y la leyenda del fantasmasaurio

Frank Welker

Mochi (voice) (uncredited)

John DiMaggio

Bender / Various (voice)

Matthew Gray Gubler

Dr. Spencer Reid

Fred Willard

Colonel on Military Base

Kevin Michael Richardson

Jerome / Military Man (voice)

Grey DeLisle

Azula / Additional Voices (voice)

Maulik Pancholy

Doctor (voice)

Gwendoline Yeo

Ms. Deitch (voice)

Finola Hughes

Professor Svankmajer (voice)

Matthew Lillard

Gus

Dave Wittenberg

Policeman / Cop #1 / Grad Student #2 / Bikers (voice)

Cathy Cavadini

Faith (voice)

Mindy Cohn

Velma Dinkley (voice)

Michael Gough

Mr. Babbit / Blair / Grad Student #1 / Bikers (voice)