Tim O'Kelly as Bobby Thompson

Boris Karloff as Byron Orlok

Arthur Peterson as Ed Loughlin

Monte Landis as Marshall Smith

Nancy Hsueh as Jenny

Peter Bogdanovich as Sammy Michaels

Daniel Ades as Chauffeur

Stafford Morgan as Salesman - 1st Gunshop

James Brown as Robert Thompson Sr.

Mary Jackson as Charlotte Thompson

Tanya Morgan as Ilene Thompson

Timothy Burns as Waiter

Mark Dennis as Salesman - 2nd Gunshop

Sandy Baron as Kip Larkin

Geraldine Baron as Larkin's Girl

Gary Kent as Gas Tank Worker

Ellie Wood Walker as Woman on Freeway

Frank Marshall as Ticket Boy

Byron Betz as Projectionist

Paul Condylis as Drive-In Manager

Mike Farrell as Man in Phonebooth

Carol Samuels as Cashier

Jay Daniel as Snack Bar Attendant

James Morris as Man with Pistol

Elaine Partnow as Other at the Drive-In

Pete Belcher as Other at the Drive-In

James Bowie as Other at the Drive-In

Anita Poree as Other at the Drive-In

Robert Cleaves as Other at the Drive-In

Kay Douglas as Other at the Drive-In

Raymond Roy as Other at the Drive-In

Diana Ashley as Other at the Drive-In

Kirk Scott as Other at the Drive-In

Susan Douglas as Other at the Drive-In

Jack Nicholson as Lt. Andre Duvalier (archive footage) (uncredited)

Sandra Knight as Helene / Ilsa (archive footage) (uncredited)

Dick Miller as Stefan (archive footage) (uncredited)

Git Luboviski as Woman in Car at Drive-In (uncredited)

Milton Luboviski as Man in Car at Drive-In (uncredited)

Don Steele as Deejay on Radio (voice) (uncredited)

Joey Bishop as Self (voice) (archive footage) (uncredited)

Regis Philbin as Self (voice) (archive footage) (uncredited)