Greg AlterGGreg AlterQueuebrick VideoOverviewDiscussionGreg AlterActingRateNA/10 avgNo member ratings yetRateOverviewDiscussionFilmography1Seen0Favorites0FilmCreditCasper's Halloween Special1979 · Dirk (voice)Dirk (voice)
Casper's Halloween Special1979 · Dirk (voice)Casper's Halloween Special1979 · Dirk (voice)