Discover
Greg Alter
Dirk (voice)

Lucille Bliss
Gervais, Carmelita (voice)
Diana McCannon
J.R. (voice)

Julie McWhirter
Casper (voice)
Marilyn Schreffler
Winifred the Witch (voice)
Michael Sheehan
Screech (voice)

Hal Smith
Mr. Duncan / Skull (voice)

John Stephenson
Hairy Scary (voice)

Ginny Tyler
Lovella / Dowager / Rural Lady (voice)

Frank Welker
Black Cat / Nice Man / Dog (voice)
Art
Chris Cuddington
Supervising Art Director
Directing
Carl Urbano
Director
Production
Doug Paterson
Associate Producer

Joseph Barbera
Executive Producer

William Hanna
Executive Producer

Alex Lovy
Producer