Mecha Mutt, a revolutionary remote-controlled lunar rover resembling a large canine, goes rogue at Houston's Annual Science Expo. Scooby-Doo! Mecha Mutt Menace is the fourth in a series of direct-to-video short films.

Top Cast

Frank WelkerScooby-Doo / Fred Jones (voice)

Matthew LillardShaggy Rogers (voice)

Grey DeLisleDaphne Blake (voice)

Mindy CohnVelma Dinkley (voice)

Julie BowenDr. Devon Albright (voice)

Lacey ChabertMelanie Staples (voice)

Alan RachinsDr. Ned Staples (voice)

Paul ReubensIrv (voice)