This document provides an overview of the action genre of film. It discusses the typical plot elements involving a hero struggling against adversity to reach a goal while facing off against a villain. A brief history is given of how the genre evolved from early swashbuckling films and westerns to include war films, spy thrillers, urban crime films, martial arts films, and the rise of CGI effects. Some of the most influential directors and actors in action films are listed, such as Steven Spielberg, Quentin Tarantino, Bruce Willis, and Arnold Schwarzenegger. A typical 5-act structure for action movie plots is outlined. Finally, some major awards for action films are named.