Casper tries to pass as a human child so they can trick or treat, but their ghost roommates keep haunting every person Casper tries to obtain candy from. Casper then runs into some poor, costume-less orphans who accept Casper as a ghost.
| Actor | Role |
|---|---|
| GGreg AlterDirk (voice) | Dirk (voice) |
 Lucille BlissGervais, Carmelita (voice) | Gervais, Carmelita (voice) |
| DDiana McCannonJ.R. (voice) | J.R. (voice) |
 Julie McWhirterCasper (voice) | Casper (voice) |
 Marilyn SchrefflerWinifred the Witch (voice) | Winifred the Witch (voice) |
 Michael SheehanScreech (voice) | Screech (voice) |
 Hal SmithMr. Duncan / Skull (voice) | Mr. Duncan / Skull (voice) |
 John StephensonHairy Scary (voice) | Hairy Scary (voice) |
 Ginny TylerLovella / Dowager / Rural Lady (voice) | Lovella / Dowager / Rural Lady (voice) |
 Frank WelkerBlack Cat / Nice Man / Dog (voice) | Black Cat / Nice Man / Dog (voice) |