Casey Kasem as Shaggy Rogers (voice)

Kellie Martin as Daphne (voice)

René Auberjonois as (voice)

Don Messick as Scooby-Doo (voice)

Christina Lange as Velma (voice)

Frank Welker as (voice)

Charlie Adler as (voice)

Vernee Watson-Johnson as (voice)

Carl Steven as Fred Jones (voice)

Scott Menville as Red Herring (voice)