A Hollywood legend looked completely unrecognisable on the set of his new NFL movie this week.

The actor, 51, is starring in new movie Madden where he will play Al Davis – the late Oakland Raiders owner and manager. 

The star looked worlds away from his usual handsome and rugged look as he wore his hair slicked back as opposed to his normal long flowing brunette locks.

He wore an edgy brown leather jacket, white T-shirt and dark trousers as he wandered around on the film set.

So can you guess who it is?

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A Hollywood legend looked completely unrecognisable on the set of his new NFL movie this week – but can YOU guess who it is?

That’s right, it’s heartthrob Christian Bale! 

The David O. Russell biopic boasts an all-star cast, with Nicolas Cage starring as Madden, Bale playing Al Davis and John Mulaney playing Trip Hawkins, the founder of Electronic Arts.

Cage stars as Raiders head coach turned broadcaster John Madden, while Sienna Miller plays Madden’s wife. 

Al was the managing general partner, principal owner and de facto general manager of the National Football League Oakland Raiders for 39 years, from 1972 until his death in 2011.

Sienna Miller and Kathryn Hahn were spotted for the first time in character on the Atlanta, Georgia set and looked absolutely unrecognizable in costume earlier this week.

Kathryn, 51, and Sienna – who portray the wives of John Madden and Al Davis – appeared straight out of a different era in their elegant retro attire as they prepared to throw themselves into character on Monday. 

Sienna, 43, was particularly glammed up with voluminous blonde curls, elegant beaded necklaces and a glimmering dress with a 60s inspired print.

That’s right it’s heartthrob Christian Bale! (seen in 2022) 

The actor, 51, is starring in new movie Madden where he will play Al Davis – the late Oakland Raiders owner and manager (seen)

The David O. Russell biopic boasts an all-star cast, with Nicolas Cage starring as Madden, Bale (seen) playing Al Davis and John Mulaney playing Trip Hawkins, the founder of Electronic Arts

Carol Davis with her husband Al Davis in 1964

Hahn – who plays Virginia Madden – was also outfitted in over-size sunglᴀsses, chic pea coat and stripe turtleneck, with a lilac water bottle breaking character.

Sienna is playing Carol Davis, who was married to Oakland Raiders owner Al from 1954 until his death in 2011.

While the Raiders are now in Las Vegas, the team has remained in the Davis family since Al pᴀssed. 

Carol is now 95-years-old and is part-owner of the Las Vegas Raiders, after inheriting the team from her spouse.

Read MoreEXCLUSIVE Stars look entirely unrecognizable as they begin filming Madden movie… can you guess who they are?

Their only child, son Mark Davis, 70, also inherited the organization and is now owner.

After the team officially moved to Sin City’s Allegiant Stadium, Carol helped christen the venue by lighting the Al Davis Torch Memorial ahead of the Las Vegas Raider’s inaugural game back in 2020.

‘There’s only one person that can possibly light it, and she’s agreed to do it, that’s the first lady of the Raider Nation — my mom,’ Mark told ESPN at the time.

‘I get chills thinking about it. I get goosebumps thinking about it. Probably tears thinking about it. But there’s nobody that could have lit it other than her. 

‘Because it’s really a tough time in the country, but also here in Nevada, we don’t want to seem that we’re celebrating or anything of that nature. 

‘But to have my mom light that torch means so much, and I think it will mean a lot for everybody in this valley, so I’m excited.’

Like the Davis couple, Virginia was married to John Madden from 1959 until his death in December 2021. They have two sons together. 

In early 2022, Virginia returned to the RingCentral Coliseum in Oakland to pay tribute to her late husband at One More Monday Night in Oakland: A Celebration of John Madden.

Kathryn Hahn (right) and Sienna Miller (left) will portray the wives of John Madden and Al Davis in the movie and were both seen filming this week 

Christian Bale seen sporting his usual look

‘When John pᴀssed, I said, ‘I want to have a gathering at the colosseum,” she said. ‘I know he’s up there and I know he’s smiling down on all of his players that are here and all of you people, the fans that supported him for so many years.’

The upcoming Madden film follows the iconic sports figure John Madden and is being directed by David O. Russell.

The biopic boasts an all-star cast, with Cage starring as Madden, Bale playing Al Davis and John Mulaney playing Trip Hawkins, the founder of Electronic Arts.  

‘After being forced into retirement by the Oakland Raiders, fiery former NFL head coach John Madden teams up with a mild-mannered Harvard programmer to rewrite his fading legacy by building the world’s first football video game,’ the film’s synopsis reads on IMDb.