Which actor stared in a film series that portrayed a child who murdered his older sister which also included music composed by Alan Howarth?
Alan Howarth (composer): Alan Howarth is an American composer and sound designer who has worked on soundtracks for Hollywood films including the "Star Trek" and "Halloween" series, and is known for his collaborations with film director and composer John Carpenter. Halloween (franchise):  The franchise predominately focuses on the fictional character of Michael Myers who was committed to a sanitarium as a child for the murder of his older sister, Judith Myers.
Michael Myers