Johnny Castle is a fictional character from the 1987 film Dirty Dancing. He is portrayed by actor Patrick Swayze and is known for his charismatic personality and exceptional dancing skills. Johnny works as a dance instructor at a summer resort in the Catskills, where he teaches guests various dance styles, particularly swing and Latin dance. In the film, Johnny becomes romantically involved with Frances "Baby" Houseman, played by Jennifer Grey. Their relationship develops against the backdrop of social class differences and personal growth, culminating in a memorable dance performance that symbolizes their connection and defiance of societal expectations.