Greg Alter

as Dirk (voice)

Lucille Bliss

as Gervais, Carmelita (voice)

Diana McCannon

as J.R. (voice)

Julie McWhirter

as Casper (voice)

Marilyn Schreffler

as Winifred the Witch (voice)

Michael Sheehan

as Screech (voice)

Hal Smith

as Mr. Duncan / Skull (voice)

John Stephenson

as Hairy Scary (voice)

Ginny Tyler

as Lovella / Dowager / Rural Lady (voice)

Frank Welker

as Black Cat / Nice Man / Dog (voice)