Whether it be their humble beginnings, or surprise cameos -- you've probably seen more of your favorite actors than you realize. Here's a collection of the most mind-blowing and unrecognizable appearances from some of our favorite stars.

Mark Hamill voiced the droid EV-9D9 in Ep. 5 of The Mandalorian. That means Hamill's voice shows up in all the Star Wars films, except for the prequel

Trevor Noah was the voice of Griot in Black Panther. If that talking A.I. sounded familiar, it's almost certainly because you've seen an episode of Th

Hugo Weaving has established himself as an icon of stoicism. But there was a time when he 81 was fabulous. Before his turns as Agent Smith and Elrond,

Oscar winner J.K. Simmons seems like a tough guy. m He's actually sweet. And chocolatey. Simmons, who played neo-Nazi prison leader Vern Schillinger i

In Fear and Loathing in Las Vegas, Johnny Depp plays Raoul DuKE, aka Hunter S. Thompson, and during a flashback scene at a Jefferson Airplane show, he

David Hyde Pierce spent 11 years out-Frasiering Kelsey Grammer. And he also played Hellboy's fussy counterpart. Pierce supplied the voice of Abe Sapie

Kiefer Sutherland was solid as hell, in 24. And now he's Solid Snake. Not only is Sutherland the voice of Snake in Metal Gear Solid V, he also wore fa

Liev Schreiber is incredibly macho as Victor Creed. But sometimes, he's decidedly less masculine. Liev Schreiber played Vetty von Vilma in Taking Wood

In Zootopia, Kristen Bell voices Priscilla, the female sloth at the DMV The crew Wanted her for the role once they saw the viral Ellen clip about her

Fergie's voice is a big part of the Black-eyed Peas. And it used to be a big part of Peanuts. When she was nine, Fergie voiced Sally in two classic Pe

Burt Shlubb in Sin City is also Ron Freaking Swanson. AKA Nick Freaking Offerman, four years before his stint on Parks and Recreation.

You probably remember James Gandolfini as Tony Soprano. But he was also a Wild Thing. Gandolfini provided the voice of Carol, Max's monster friend in

You might have heard of a cat movie called Keanu. The cat is actually voiced by Keanu Reeves. Reeves initially declined the role, but changed his mind

Howie Mandel went from stand-up goofball to game show host. And he was a gremlin along the way. Specifically, Howie was the voice of Gizmo, the adorab

James McAvoy plays young Charles Xavier, who forms the X-Men. But he was a different kind of mutant, in The Chronicles of Narnia. To be specific, he p

Slowen Lo, the Last Jedi alien who reports Rose and Finn, is voiced by Joseph Gordon-Levitt. The character is the same species as The Force Awakens' E

An Oscar-nominated actor went undercover in Kingdom of Heaven. King Baldwin IV was the most famous king to have leprosy. In this 2005 Ridley Scott mov

Nathan Fillion played a big blue creep in Guardians of the Galaxy. When Peter Quill and the gang arrive at the Kyln, they're threatened by a big alien

Vin Diesel is known for his speed, his fury, and his shiny head. Speaking of which, he was the voice of the Iron Giant. The 1999 sci-fi comedy/drama a

Gary Oldman played Harry Potter's godfather Sirius Black. He's also Spyro's mentor, lgnitus. Oldman has voiced many other video game characters includ

Craig, Daniel Craig is one of the most recognized faces in film. Yet he appeared in one of the biggest films of the decade, without showing his face.

Samuel L. Jackson is a commanding presence on film. And in GTA, he's commandingly evil. Jackson voices Officer Tenpenny, the central villain in Grand

In Guardians of the Galaxy Vol. 2, Miley Cyrus voices Mainframe, a Ravager on Stakar's team. James Gunn had the idea to cast Miley as the voice of the

James Avery was the Fresh Prince's Uncle Phil. But he also terrorized the turtles, as Shredder. Avery spent six years playing the straight man to Will

George Clooney is a megastar, plain and simple. And he also starred as Sparky, on South Park. So why would Clooney take time away from doing star stuf

Cate Blanchett plays Simon Pegg's ex-girlfriend in Hot Fuzz. She appears in one scene, wearing goggles and a surgical mask. Edgar Wright thought it wo

You probably missed Bill Murray in Dumb and Dumber To. His character is hard not to notice, but since he never removes the mask, few have realized he'

The junk dealer in The Force Awakens is played by Simon Pegg. He says the costume was SO hot, he would take off his gloves and pour the sweat out betw

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