
After a terrified toy salesman is mysteriously attacked and brought to the hospital, clutching the year's most popular Halloween mask, Dr. Daniel Challis sets out to investigate the strange events and finds himself thrust into a nightmarish conspiracy.

Dr. Daniel 'Dan' Challis

Ellie Grimbridge

Conal Cochran

Rafferty

Buddy Kupfer

Betty Kupfer
'Little' Buddy Kupfer Jr.

Marge Guttman

Linda Challis

Starker
Harry Grimbridge
Teddy
Walter Jones

Nurse Agnes
Sheriff

Assassin

Willie Challis
Bella Challis

Secretary
Red

Charlie

Curfew Announcer / Telephone Operator (voice) (uncredited)

Silver Shamrock Commercial Announcer (voice) (uncredited)
Watcher

Technician
Motel Technician
Technician #2

Director

Producer

Producer
Executive Producer
Executive Producer

Original Music Composer

Original Music Composer

Director of Photography
Editor
Makeup Effects
Production Design
Set Decoration
Makeup Artist
Sound Re-Recording Mixer
Sound Re-Recording Mixer
Sound Editor
Sound Editor
Sound Re-Recording Mixer
Supervising Sound Editor
Casting
Hairstylist
Associate Producer

Stunts
Costumer
Costume Supervisor

Stunts

Producer

Producer

Executive Producer

Screenplay

Screenplay
Executive In Charge Of Production
Stunts
Unit Production Manager
First Assistant Director
Second Assistant Director
Location Manager
Production Coordinator
Script Supervisor
Camera Operator
First Assistant Camera
Second Assistant Camera
Camera Operator
Assistant Camera
Still Photographer
Production Sound Mixer
Boom Operator
Boom Operator
Gaffer
Best Boy Electric
Electrician
Electrician
Electrician
Electrician
Key Grip
Best Boy Grip
Dolly Grip
Grip
Grip
Grip
Special Effects
Special Effects Assistant
Leadman
Swing
Property Master
Property Master

Stunt Coordinator
Extras Casting
First Assistant Editor
Assistant Editor
Production Accountant
Assistant Accountant
Location Assistant
Location Assistant
Construction Coordinator
Propmaker
Propmaker
Standby Painter
Transportation Coordinator
Transportation Captain
Dialogue Editor
Title Designer