Don Messick Scooby-Doo, Scrappy-Doo Voice Casey Kasem Shaggy Rogers Voice Heather North Daphne Blake Voice Arthur Burghardt Voice Jodi Carlisle Voice Oscar Dufau Director Rudy Zamora Jr. Director Ray Patterson Director Joseph Barbera Executive Producer William Hanna Executive Producer Douglas Booth Screenwriter George Atkins Screenwriter Art Scott Producer Tom Ruegger Screenwriter George Singer Producer Kay Wright Producer