Children across America want Silver Shamrock masks for Halloween. Dr. "Daniel Challis" seeks to uncover the plan of the owner of "Silver Shamrock", "Conal Cochrane"...
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Dino De LaurentiisProducers · executive producer (uncredited)
Debra HillProducers · producer
Barry BernardiProducers · associate producer
John CarpenterProducers · producer
Moustapha AkkadProducers · executive producer (uncredited)
Irwin YablansProducers · executive producerJohn CarpenterMusic
Alan HowarthMusic
Dean CundeyCinematography · director of photography
