8 Little-Known Back to the Future Facts That Are Cooler Than a Time Machine

Not only does Back to the Future celebrate its 30th anniversary today, but it's also the day that Marty McFly and Doc Brown travel to in Back to the Future Part II. And since the movie has remained a classic after all these years, we dug up a few unknown facts about the first movie from the book Back to the Future: The Ultimate Visual History that will surprise even the biggest of fans. From the original title of the movie to a star's unexpected haircut to on-set feuds, Hill Valley was definitely more scandalous than you originally thought. Keep reading to dust off your DeLorean knowledge, then check out the cast reuniting on the Today show and Doc Brown's amazing message about the future.

01
The Idea For the Film Came About After a Producer Found His Father's Yearbook in His Basement
Universal Pictures

The Idea For the Film Came About After a Producer Found His Father's Yearbook in His Basement

The film's writer and producer, Bob Gale, came up with the concept for the film after he stumbled upon his dad's high school yearbook and wondered if they would have been friends if they had gone to school together.

02
After Filming Began, Crispin Glover Cut His Hair Without Permission
Universal Pictures

After Filming Began, Crispin Glover Cut His Hair Without Permission

Crispin, who played George McFly in the first film, showed up to one of his first days of filming with the sides of his head shaved. The film's hair and makeup team had no choice but to give him a combover look that covered his unexpected haircut.

03
Thomas F. Wilson, aka Biff, Almost Got Into a Fight With the Original Marty
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Thomas F. Wilson, aka Biff, Almost Got Into a Fight With the Original Marty

It's no secret that actor Eric Stoltz filmed the role of Marty McFly for about nine weeks before being fired. They replaced him with the star they wanted all along — Michael J. Fox — but before everything worked out, Eric caused a bit of tension on set. During the scene where Marty pushes Biff in the cafeteria, Eric did it with such force that Thomas had to tell him that he would react just as realistically if he backed off. Eric continued to push Thomas hard, and despite him warning him more than once, Thomas ended up with bruises on his chest.

04
Lea Thompson Didn't Like Michael J. Fox at First
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Lea Thompson Didn't Like Michael J. Fox at First

Lea, who played Lorraine McFly in the films, didn't get along with Michael after he first took over the role of Marty from Eric. Lea said that she was "cranky" and "quite snobby" to Michael because Eric was her friend and she was upset that he had gotten fired.

05
Eric Stoltz Demanded to Be Called Marty at All Times, Even During Breaks
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Eric Stoltz Demanded to Be Called Marty at All Times, Even During Breaks

Before production even began, Eric demanded that the entire cast and crew call him Marty at all times, with the exception of Lea, whom he had worked with before. He would wear Marty's clothes before and after work and he refused to answer to Eric.

06
The Original Title For the Film Was Professor Brown Visits the Future
Universal Pictures

The Original Title For the Film Was Professor Brown Visits the Future

Before any story ideas were developed, writer Bob Gale had just this title in mind and nothing else.

07
A Film Executive Then Tried to Change It From Back to the Future to Spaceman From Pluto
Universal Pictures

A Film Executive Then Tried to Change It From Back to the Future to Spaceman From Pluto

Concerned that people wouldn't want to see a movie with the word "future" in it, a film executive tried to get the writers to change the name to Spaceman From Pluto. Thankfully, that never happened.

08
Billy Zane Was in Biff's Squad
Universal Pictures

Billy Zane Was in Biff's Squad

A prefame Billy, who is best-known for his role as Cal in Titanic, is one of Biff's minions. He can be seen in a few scenes throughout the movie, including the soda fountain fight scene and the car chase around downtown Hill Valley.