We know there are a lot of celebs out there who love a good red carpet event ... and we wanna see if you can guess who this A-list actor is!

We caught this performer as he was being swarmed by shutterbugs at a premiere event, although we have to imagine he's used to them by now ... it's gotta feel like one party after another at this point!

It's weird, though ... this guy's been involved in so many high-profile flicks and he's still only ever landed one Oscar -- awards season isn't too far away, though!

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