Shaggy Rogers (voice)

Muriel Bagge / Rich Old Lady (voice)

Daphne Blake / Frau Glockenspiel (voice)

Scooby-Doo / Fred Jones (voice)

Velma Dinkley (voice)

The General / Self Help Book (voice)

Katz / Le Quack / Narrator (voice)

Courage / Mr. McGill (voice)

Eustice Bagge / Computer / Mayor of Nowhere (voice)

The Lieutenant / Mr. Glockenspiel (voice)