9 Stars Who Look Shockingly Identical to Their Awesome Stunt Doubles

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While most stars would love to be able to say they do their own stunts, little things like "extreme danger" and "insurance liability" often make that impossible. This is when the filmmakers have to call in the stunt doubles.

While the minimum requirements for most stunt doubles are to be good at getting hurt and to vaguely resemble the star they are standing in for, some productions find stunt doubles that look so much like the real thing they're practically twins!

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Here's a look at nine movie stars and their shockingly stunt doppelgangers.

Mark Ruffalo

In Now You See Me, Mark Ruffalo plays an FBI agent on the hunt for a group of criminal magicians. The film was filed with explosive car chases and dangerous stunts, meaning it was up to Ruffalo's double Anthony Molinari -- complete with the star's scruffy beard -- to step in and make Ruffalo look good.

Cameron Diaz

While Tom Cruise is famous for demanding to do his own stunts, his Knight and Day co-star figured it might be better to let a pro step in for some of the film's more dangerous sequences. That's when they called in Kimberly Shannon Murphy, who made the film's action scenes really pop.

WATCH: Tom Cruise Has Never Met a Stunt He Won’t Do Himself

Taylor Lautner

In Lautner's classic action film, Tracers, released earlier this year (You remember that one, right? The one where all the stuff happens?) Lautner did a lot of the film's insane parkour moves himself. But when it came time for a few of the more gnarly stunts, he wisely stepped aside and let skilled stuntman Gabriel Nunez do what he’s best at: being awesome and looking almost exactly like the star.

Keanu Reeves

Keanu first worked with stunt double Chad Stahelski on the set of The Matrix in 1999. 15 years later, Chad got a shot at his directorial debut with John Wick, and cast Keanu in the lead. The film went on to be one of the most acclaimed action films of 2014, and one of Keanu's highest rated movies ever. Clearly, this is one star/stunt double relationship that really flourished.

Reese Witherspoon

On the set of Reese's recent action comedy Hot Pursuit, there were a number of big stunts that required the help of a seasoned pro, so the filmmakers had to find a stuntwoman to match Reese's somewhat diminutive stature. Luckily, they found the exceptional Marny Eng. With the right blonde wig, the Canadian performer was an uncanny stand-in for the Oscar-winning actress.

WATCH: Go Behind the Scenes of 'Furious 7' for the Craziest Stunts of the Franchise

Dwayne 'The Rock' Johnson

Even someone as big and badass as The Rock needs someone to help out here and there. But who could possibly match the star's huge physique? Hawaiian stunt master Tanoai Reed, that's who! And being the only stuntman who looks anything like The Rock has been a boon to Tanoai's career. He's been Dwayne's stunt double in Furious Seven, Hercules, Pain & Gain, G.I. Joe: Retaliation, Snitch, Get Smart, The Other Guys, and Walking Tall, just to name a few.

Zac Efron

Some stars don't call in a stunt double just because the stunt is dangerous. Sometimes, the stars just don't want to be totally naked. During the filming of Zac Efron's upcoming comedy Dirty Grandpa, the handsome actor wasn't comfortable hopping on a motorcycle buck naked. So, they had to call in a butt double to get the skin-showing nude shot.

Anna Kendrick

While shooting the super-depressing drama Cake, Anna Kendrick required the assistance of a stand-in as well. Rocking the same curly brunette locks and back-bearing patterned dress, it's impossible to tell who is the Pitch Perfect star and who is her doppelganger double in this photo Kendrick posted to Instagram during filming.

WATCH: Michael Douglas and His Stunt Double Are Adorable Besties

Sofia Vergara

There's no denying that Sofia Vergara is impossibly attractive, but even the cute Colombian superstar will sometimes use a butt double. And, as this picture Sofia posted proves, she's got the best in the business.

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