New Mexico, Old Monster

Cast

• 

  Frank Welker

  Fred Jones / Scooby-Doo (voice)

• 

  Casey Kasem

  Shaggy Rogers (voice)

• 

  Mindy Cohn

  Velma Dinkley (voice)

• 

  Grey DeLisle

  Daphne Blake (voice)

• 

  Irene Bedard

  Cody Long (voice)

• 

  Michael Horse

  Leon Strongfeather (voice)

• 

  Phil LaMarr

  Col. Henry Thomwald / Shaman (voice)

• 

  Rob Paulsen

  Avery Orenthal / Government Agent (voice)

• 

  Billy West

  Jimmy Proudwolf (voice)

• 

  Paul Julian

  Road Runner (voice) (archive footage) (uncredited)