Clint Howard

Ice Cream Man / Gregory Tudor

Olivia Hussey

Nurse Wharton

David Warner

Reverend Langley

Jan-Michael Vincent

Detective Gifford

Sandahl Bergman

Marion Cassera

David Naughton

Martin Cassera

Justin Isfeld

Johnny Spodak

Anndi McAfee

Heather Langley

JoJo Adams

Tuna Cassera

Mikey LeBeau

Small Paul

Steve Garvey

Mr. Spodak

Janet Wood

Mrs. Spodak

Andrea Evans

Wanda

Stephen Fiachi

Gus

Stephanie Champlin

Janet

Doug Llewelyn

Store Manager

Tom Reilly

Charley

Cole S. McKay

Ice Cream King

Tori Welles

Woman in Market (as Brittania Paris)

Zachary Benjamin

Roger Smith

Jessica Devlin

Mrs. Smith

E.E. Bell

Happy Doctor

Ryan Holihan

Photo Clerk

Ed Morgan

Crazy Doctor

Lee Majors II

Detective Maldwyn

Karl Makinen

Jacob Spodak

Keith Mills

Butcher

Matthew McCurley

Young Gregory

Kendall McCarthy

Police Officer

Jeanine Anderson

Mrs. Langley

Marla Frees

Gregory's Mother

Ken Hanes

Police Officer

Frank Roach

Park Janitor

Carly Adams

Little Girl

Roger Ferreira

Doctor in Psychiatric Institution (uncredited)

Roger Ferreira

Asylum Inmate in Straight Jacket (uncredited)