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Matt Damon Brought Some Serious Star Power To 'The Martian' Premiere

I'm gonna need a little space to process this. (Get it?)

Yes, yes, we know it was just a few days ago that Matt Damon wowed us with his bare torso in the first picture from the new "Bourne" set, but now the actor has gone and done something else; something totally out of this world.

"The Martian," which stars Damon as an astronaut who is stranded on Mars after his crew mistakes him for dead in a freak accident, premiered Friday (Sept. 11) at the Toronto International Film Festival. It's a hefty role for Damon -- he's alone most of the time, the swirling red landscapes of Mars stretching on as far as the eye can see. Think "Gravity," but with humor.

Damon and his castmates clearly had a blast in Toronto showing off the film to eager audiences for the first time. Check it out:

What's better than a picture of one great actor? A picture of a BUNCH of great actors.

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The mind behind the story: author Andy Weir, posing here with Damon and Jessica Chastain.

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Donald Glover and Mackenzie Davis spaced out.

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Chiwetel Ejiofor was a man with a plan.

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Guess Portrait Studio At The 2015 Toronto International Film Festival - Day 2

Kate Mara demonstrated the ideal way to wear a romper.

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Guess Portrait Studio At The 2015 Toronto International Film Festival - Day 2

Damon looked positively stellar.

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Chastain's look is best described as "otherworldly."

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Stars collided.

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Glover and his beard know what's up.

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An entire constellation lit up the press conference.

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Damon said hi.

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Chastain was clearly overjoyed to be there.

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Damon had an important question.

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...and was possibly about to steal director Ridley Scott.

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Don't be sad, Matt! Your movie's great!

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There. Much better.

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