Before Rocky, Sylvester Stallone's Hollywood story was less inspiring film and more cautionary tale. Born in the gritty world of New York's working class, Stallone worked all kinds of odd jobs — from a film theatre usher to a zoo cleaner — while trying to work on his skills as an actor, but he failed to get anything more than bit parts in forgettable productions.
"Early in my acting career, I realized the only way I would ever prove myself was to create my own role in my own script," Stallone recalled. "On my 29th birthday, I had $106 in the bank."
He had even auditioned to be an extra in The Godfather, saying: "I couldn't even get cast as an Italian. I said, 'If there is one movie I can definitely get into, it would be The Godfather because there's a party scene and there's three hundred guests.'"
In March 1975, Stallone attended a boxing match between Muhammad Ali and Chuck Wepner. The fight was intense and surprisingly competitive, with Wepner — a heavy underdog — holding his own against the legendary Ali.
Though Wepner ultimately lost, his tenacity and determination left a profound impact on Stallone. Inspired by Wepner's grit, Stallone went home and began writing a screenplay about an underdog boxer who gets a shot at the world heavyweight championship.
Stallone wrote the screenplay for Rocky in three and a half days — but the result was far from the beloved film we know today.
"When people say, 'You wrote the screenplay in three days,' I say I wrote a spine. And then it just continued to branch out into something better, more empathetic. No, the original was rough."
Just how rough? In the first draft, Rocky was not a nice character at all — not even a boxer. He was just a thug. The early version depicted Rocky as a "thuggish" character inspired by Martin Scorsese's crime drama Mean Streets.
After blacking out his apartment windows and typing up his first draft, Stallone was surprised to see his wife reduced to tears — and not in a good way.
"My wife, who was typing the script on this crappy typewriter, said, 'I hate this character,'" recalled Stallone. "She was teary-eyed, sad. That one comment from my wife changed my whole life. And I went, 'Holy f***. I need to change this paradigm and give Rocky hope.'"
The conversation also prompted Stallone to draft a girlfriend into the story — who would become Rocky's iconic romantic interest Adrian, whose subplot is the heart of the original film.
With a rewritten, heartfelt script in hand, Stallone faced a new battle: Hollywood wanted the story, but not him.
Producers saw something special in the story and offered Stallone $75,000 for the screenplay. But there was a catch — they wanted a big-name actor to play Rocky. Names like Burt Reynolds, James Caan, and Ryan O'Neal were tossed around.
For Stallone, that was non-negotiable. "I can't sell it outright," he insisted. "I wrote it for me, and I have to do it." The offer climbed to $125,000, then $300,000 — more money than Stallone had ever seen in his life. Still, he refused. "I would sooner burn the thing than have anyone else play Rocky Balboa. Not for a million dollars."
The financial stakes were staggering — Stallone was so broke he had to sell his dog just to afford food. He later used his earnings from Rocky to buy his dog back — for $15,000.
After a long negotiation, the producers finally agreed to cast Stallone — but the film would be made on a shoestring budget of around $1 million.
Directed by John G. Avildsen and shot in 28 days, Rocky divided critics between raves and pans — but it became the sleeper hit of the year, making Stallone a rich man and a bonafide star.
At the Academy Awards, Rocky defied expectations by going up against acclaimed films like Taxi Driver, Network, and All the President's Men — and won three Oscars: Best Picture, Best Director, and Best Film Editing.
The franchise has since made over $1.8 billion across 9 films, and in 2006, Stallone's original screenplay was selected by the Writers Guild of America as the 78th best screenplay of all time.
"I wanted to write a movie about a guy who says 'I'm not great at all, never will be. I fight great fighters. But I just want the opportunity to go the distance,'" Stallone said. In the end, that's exactly what Stallone himself did.