Frank Welker
Slimer / Ray Stantz (voice) (33 eps)
Maurice LaMarche
Egon Spengler (voice) (33 eps)
Dave Coulier
Peter Venkman (voice) (33 eps)
Buster Jones
Winston Zeddemore (voice) (33 eps)
Cree Summer
Chilly Cooper (voice) (33 eps)
Kath Soucie
Janine Melnitz (voice) (33 eps)
Jeff Altman
Professor Dweeb (voice) (33 eps)
Charlie Adler
Elizabeth (voice) (33 eps)
Danny Mann
Luigi / Bruiser (voice) (33 eps)