Halloween III: Season of the Witch is a 1982 American science fiction horror film and the third installment in the Halloween film series. It is notable for being the only entry in the series that does not feature the series antagonist Michael Myers, nor does it include story elements from either Halloween (1978) or Halloween II (1981). It is the first film to be written and directed by Tommy Lee Wallace. John Carpenter and Debra Hill, the creators of Halloween, returned as producers. The film stars Tom Atkins as Dr. Dan Challis, Stacey Nelkin as Ellie Grimbridge, and Dan O'Herlihy as Conal Cochran. The story focuses on an investigation by Challis and Grimbridge into the activities of Cochran, the mysterious owner of the Silver Shamrock Novelties company, in the week approaching Halloween n