Frederic Forrest

Eugene Scott

Kathleen Lloyd

Jody Scott

John P. Ryan

Frank Davis

John Marley

Mr. Mallory

Andrew Duggan

Dr. Perry

Eddie Constantine

Dr. Forest

James Dixon

Det. Lt. Perkins

Dennis O'Flaherty

Dr. Peters

Melissa Inger

Valerie

Jill Gatsby

Cindy

Bobby Ramsen

Dr. Santo De Silva

Glenda Young

Lydia

Lynn Wood

Jody's Mother

Alex Baker

Reservoir Guard

Greg Cannom

Baby Monster