How the cast of 'I Play Rocky' compares to the real-life people they're playing

Anthony Ippolito as Sylvester Stallone in "I Play Rocky." Claire Folger/Amazon MGM Studios "I Play Rocky" tells the behind-the-scenes story of how "Rocky" was made. The movie features Anthony Ippolito's spot-on performance as Sylvester Stallone. Here's how the cast compares to the real-life people they play. If you thought "Rocky" was a remarkable underdog story, wait until you learn how it was made. "I Play Rocky," from director Peter Farrelly ("Green Book"), recounts the story of how Sylvester Stallone got his start in Hollywood. As a struggling actor in the 1970s, Stallone wrote the "Rocky" screenplay as a way to give himself a starring role. After gaining the attention of producers Irwin Winkler and Robert Chartoff, who had a first-look deal with MGM, Stallone then had to battle the producers and the studio to allow him to play Rocky Balboa.