Grey Griffin
Daphne Blake / Frau Glockenspeil
Kate Micucci
Velma Dinkley / Velma's Tablet
Jeff Bergman
Eustace / Computer / Mayor
Marty Grabstein
Courage / Clown / Mr. McGill
Chuck Montgomery
Lieutenant / Mr. Glockenspeil
Paul Schoeffler
Katz / Le Quack / Narrator
Thea White
Muriel Bagge / Rich Old Lady