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)
Katarina Novachenka / Stewardess / Automatic Voice / Followers (voice) / Kate / Motorcycle Ghost (voice)
Samhain (voice) / Samhain / Goblin (voice)
Granny Candy (voice) / Margaret Prandish / 2nd Girl / Woman with Mask (voice)
Jason (voice) / Cindy (voice)
Buster (voice) / Professor Dweeb (voice)
Teacher / Ghost (voice) / Aunt Lois (voice)
Prof. Joanna Barnes / Girl / Orangutan (voice) / Kestrel / Mayor / 1st Girl / Jersey Woman (voice)
Poso / 4th Ghost Hood / Ghost (voice) / Spotty / Bones (voice)
Killerwatt (voice) / Giant / Gingerbread House / White Rabbit (voice)
Catherine (voice)
Inspector Faden / Followers (voice) / Museum Curator / Ants / Museum Crowd (voice)
Bello Micawb (voice) / Lord of the Stench / Arnold Lieberman / Franklin (voice)
Shifter / Slime (voice) / Calahan (voice)
Head Scientist (voice) / Lydia Micawb / Maid (voice)
