A cosmic case of flying saucers, intergalactic intrigue and out-of-this-world romance launches Scooby-Doo! and the Mystery Inc., Gang into their most unearthly adventure ever.
Scott Innes
Scooby Doo / Shaggy (voice)
Mary Kay Bergman
Daphne Blake (voice)
B.J. Ward
Velma Dinkley (voice)
Frank Welker
Fred Jones (voice)
Candi Milo
Crystal / Amber (voice)
Neil Ross
Sergio / Buck (voice)
Jennifer Hale
Dottie (voice)
Jeff Bennett
Lester (voice)
