Scooby-Doo/Courage the Cowardly Dog Scare-A-Thon The Mystery Machine is stuck in Nowhere, leading the gang to seek help from Courage and his family. Details Casts Posters Title Scooby-Doo/Courage the Cowardly Dog Scare-A-Thon Release Date 2000-10-23 Runtime 00 Hours 19 Minutes Genres Comedy Animation Family Horror TV Movie Production Companies Cartoon Network Studios, Natterjack Animation Production Countries United States of America Scott Innes... Scooby-Doo/Shaggy Rogers ... Frank Welker... Fred Jones (voice)... Mary Kay Bergman... Daphne Blake (voice)... B.J. Ward... Velma Dinkley (voice)... Marty Grabstein... Courage (voice)... Thea White... Muriel Bagge (voice)... Lionel G. Wilson... Eustace Bagge (voice)... Original Size (500x750)