“Dream Arms” is a 3D animated short film in which the main character, an armless young man, tried to fulfill his ambition to become an athlete by acquiring a pair of arms. A cat hinders his attempt by snatching away those arms one step ahead. The young man goes after the cat, and scenes of fighting and stunt ensued in the chase. The study attempts to identify the fundamental elements of action films by examining and analyzing classic films in the genre.