PersonCasey Kasem21 credits in the catalogue: acting.On the wikisFandomActingSesame Street1970RobinJosie and the Pussycats1970Alexander Cabot IIIJosie and the Pussycats in Outer Space1972Alexander Cabot IIIThe New Scooby-Doo Movies1972Norville "Shaggy" RogersThe New Scooby-Doo Movies1972RobinThe Night That Panicked America1975Mercury Theatre PlayerNew York, New York1977D.J. aka Midnight BirdBattle of the Planets1978MarkScooby-Doo! and Scrappy-Doo!1980Shaggy RogersE.T. the Extra-Terrestrial1982Himself (Uncredited) (Voice on Archival Footage)Ghostbusters1984Casey Kasem (voice)The 13 Ghosts of Scooby-Doo1985Norville "Shaggy" RogersThe Transformers: The Movie1986Cliffjumper (voice)Scooby-Doo and the Ghoul School1988Shaggy Rogers / Mirror Monster (voice)A Pup Named Scooby-Doo1988Shaggy RogersWhat's New Scooby-Doo?2002Shaggy RogersLooney Tunes: Back in Action2003Shaggy (voice)Scooby-Doo! and the Legend of the Vampire2003Shaggy (voice)Scooby-Doo! and the Loch Ness Monster2004Shaggy Rogers (voice)Scooby-Doo! and the Goblin King2008Shaggy Rogers (voice)Scooby-Doo! and the Samurai Sword2009Shaggy (voice)