The bulk of Stallone's net worth comes making movies, mostly action films. Films like the "Rocky" series, "Demolition Man", "Nighthawks", the "Rambo" series, "Tango and Cash", and "The Expendables" trilogy of movies. In "Cop Land", Stallone was able to showcase his acting ability. In some of the films he stars in, he also produces, directs and often times, writes. He has directed the first three "Rocky" sequels, and served as writer on the first film.
Stallone has been nominated for two Academy Awards for his work in the first "Rocky" movie, one was for best screenplay