John Mallory Asher (born John Mallory, January 13, 1971) is an American actor, film director, and screenwriter. In acting, he is perhaps best known for his role as Gary on the USA Network's series spinoff of the movie Weird Science.

His biological father is actor Edward Mallory. His adoptive father is producer/ director William Asher, who was married to his mother, actress Joyce Bulifant, from 1976-1993. (It was the third marriage for both.