Troll

Noah Hathaway

Harry Potter Jr.

Jenny Beck

Wendy Anne Potter

Phil Fondacaro

Malcolm Mallory / Torok the Troll

Michael Moriarty

Harry Potter Sr.

Shelley Hack

Anne Potter

Julia Louis-Dreyfus

Jeanette Cooper

June Lockhart

Eunice St. Clair

Anne Lockhart

Young Eunice St. Clair

Sonny Bono

Peter Dickinson

Gary Sandy

Barry Tabor

Brad Hall

William Daniels

Dale Wyatt

Dickinson's Girlfriend

Debra Dion

Young Couple on T.V.

Charles Band

Young Couple on T.V.

Jacquelyn Band

Older Couple on T.V.

Albert Band

Older Couple on T.V.

Robert Hathaway

First Policeman

James Beck

Second Policeman

Barbara Sciorilli

Fairy #1

Viviana Giusti

Fairy #2

Jessie Carfora

Fairy #3

John Carl Buechler

Sorcerer (uncredited)