'Back to the Future' cast after 30 years
Musician Huey Lewis (L) and actors Michael J. Fox (2nd L) Christopher Lloyd and Lea Thompson (R) attend the Back to the Future 30th Anniversary screening in the Manhattan borough of New York, October 21, 2015. The film franchise is celebrating today's date as in the first sequel, the main characters traveled through time to October 21, 2015. Reuters/Andrew Kelly

Time travels fast, the iconic first instalment of “Back to the Future” is officially 30 years old since its release in 1985. October 21, 2015 is the future day that Marty McFly travelled to in the film.

The trio of Michael J. Fox, Christopher Lloyd and Lea Thompson visited the set of Today Show and looked back at the success of the "Back to the Future" franchise which has stood the test of time.

Fox, who played the role of Marty McFly, has not lost his sense of humour when he said, “… one prediction that 'Back to the Future 2' got right was that Marty McFly would have a receding hairline," while flipping his air off his forehead.

Looking back, the actors said that the chemistry of the cast and the script worked for the film.

"I just felt we had chemistry from the instant we walked on the set. We were so happy to see each other,” Lloyd said and then added, "It never had to be manufactured…it just was there. It was innate. It was wonderful."

For a film that almost did not get made, “Back to the Future” became a cultural sci-fi phenomenon with vast influence on pop culture. Back then, the film was rejected by various distribution companies because of the risky mother and son relationship in the script.

On her part, Thompson said that the film has a great script which appealed to her strange sense of humor.

To this day, the cast say that they still get approached by fans by calling out lines from the three films. Lloyd described the experience as monumental.

Christopher Lloyd played Dr. Emmett Brown, while Lea Thompson played the role of Lorraine McFly.

“Back to the Future” was released on July 3, 1985 by Universal Pictures. It grossed over $380 million (AU$527 million) worldwide. It was followed by two sequels -- “Back to the Future II” and “Back to the Future III” in 1989 and 1990, respectively.

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