From running after Tom Cruise to Hollywood action man! Did you know these stars were all extras before they found fame?

Whenever a famous star appears on screen, it is difficult to imagine how they started their career, and you might even think that luck knocked on their door at the right time. However, many of them started with small roles in some productions. Read on to find out more about the celebrities who were extras before they rose to fame - you'll be surprised!

She may have gone on to become an enduring Hollywood icon but when Marilyn Monroe was 22 years old she was signed by 20th Century Fox. This earned her the role of Betty in the 1948 film, 'Scudda Hoo! Scudda Hay!' in which she had only one line, Monroe said, "Hello, Rad," before quickly exiting the screen.

Channing had many jobs before becoming an acclaimed actor. These included being a dancer in the music video for Puerto Rican artist Ricky Martin's 'She Bangs' and working as an exotic dancer in a club - an experience that inspired his 2012 film 'Magic Mike' and subsequent sequels. You may not know that Tatum was an extra in the 2005 film, 'War of the Worlds', in which he can almost be seen running after Tom Cruise as aliens attack a church.

Before she was Tom Cruise's love interest in 'Jerry Maguire' and brought unlucky-in-love publicity assistant Bridget Jones to life on the big screen, Renee had a humble beginning in Hollywood. The future two-time Oscar winner can be seen as an extra in the 1993 comedy, 'Dazed and Confused'. Among a cast of other famous actors including Adam Goldberg, Matthew McConaughey and Ben Affleck, Renee appears in a couple of scenes as a high school student.

Before gaining international recognition in Stephen Frears' 1985 film 'My Beautiful Laundrette' and Merchant Ivory's 'A Room with a View', Day-Lewis played a vandal boy 14 years earlier in 'Sunday Bloody Sunday', a drama about a young bisexual artist and his infidelities. Shortly after, the actor also landed a minor role in the 1982 film 'Ghandi'.

You may know that the director appeared in 1990 sequel 'The Godfather Part III' as Michael Corleone's daughter, but we bet you didn't know that her father, Francis Ford Coppola, cast her to play the baby -Michael Francis Rizzi - in the christening scene in the first film of the famous Mafia saga. Sofia also played an immigrant child just two years later in the 1974 instalment. It didn't take long for the filmmaker's talent to excel in other areas of the industry, as she went on to direct iconic films such as 'The Virgin Suicides' in 1999, 'Lost in Translation' in 2003 and 2013's 'The Bling Ring'.

Page may have stolen our hearts as the dashing Duke of Hastings in the acclaimed Netflix period drama 'Bridgerton', but he began his screen career as an extra in the 'Harry Potter' film franchise. In 'The Deathly Hallows: Part 1', the actor can be seen as a guest at Bill Weasley and Fleur Delacour's wedding.

Did you know that Bruce Willis played an extra in films like 'The First Deadly Sin' in 1980 and 'The Verdict' in 1981 before he became a big movie star? Now you do!

Before throwing punches as underdog boxer Rocky Balboa, the actor was an uncredited "underground mugger" in Woody Allen's 1971 film, 'Bananas'. As the story goes, Allen was going to send Sylvester back to the casting agency believing he didn't look tough enough to play the part, until the actor's talent changed his mind.

As a big fan of Bruce Lee and his films, the young Jackie Chan appeared as an extra and stuntman in Lee's 1972 film, 'Fist of Fury', and a year later in Lee's 'Enter the Dragon'. As a child he was also an extra in the 1962 film, 'Big and Little Wong Tin Bar'. This work history led Chan to become the Kung-Fu film star we all know today.

The Oscar-winning actor made his film debut in the 1991 film 'Critters 3' when he was 17, but even before that he appeared as an extra in the TV sitcom 'Roseanne'.