Egon Spengler (voice)
Ray Stantz / Slimer (voice)
Winston Zeddemore (voice)
Peter Venkman (voice)
Janine Melnitz (voice)
Louis Tully (voice) / Grundel / Mr. Meredith (voice)
Elizabeth (voice) / Osiris (voice)
Receptionist (voice) / Lucy (voice)
Samhain (voice) / Sandman (voice)
Granny Candy (voice) / Marsha (voice)
Jason (voice) / Cindy (voice)
Professor Dweeb / Man on Phone / Bowlers / Senior Citizens (voice) / Buster (voice)
Bag Lady (voice) / Aunt Lois (voice)
Prof. Joanna Barnes / Girl / Orangutan (voice) / Kestrel / Mayor / 1st Girl / Jersey Woman (voice)
Spotty / Bones (voice) / Banana 9000 (voice)
Giant / Gingerbread House / White Rabbit (voice) / Judge / Booming Voice / Jurors (voice)
Catherine (voice)
Inspector Faden / Followers (voice) / Father Yanos (voice)
Bello Micawb (voice) / Lord of the Stench / Arnold Lieberman / Franklin (voice)
Foul Grungie / Ghosts / Kids (voice) / Shifter / Slime (voice)
Head Scientist (voice) / Lydia Micawb / Maid (voice)
