Chris Gorbos as Peter Venkman Mark Douglas as Ray Stanz Zach Sherwin as Egon Spengler/Spongebob Walter Downing as Winston Downing Keegan Michael-Key as Frankie Jordan Peele as Jason Nice Peter as V.I.N.Cent (voice only)/Feliciano EpicLLOYD as Old B.O.B (voice only)/Honda Kiku/The Magophoidbot (voice only) George Watsky as Ludwig Mary Doodles as Nia