Frank Welker

Slimer / Ray Stantz (voice)

Maurice LaMarche

Egon Spengler (voice)

Dave Coulier

Peter Venkman (voice)

Cree Summer

Chilly Cooper (voice)

Kath Soucie

Janine Melnitz (voice)

Jeff Altman

Professor Dweeb (voice)

Charlie Adler

Elizabeth (voice)