The actress stars as Zoe, a medical researcher on a spaceship headed to Mars on a two-year mission.

“I had never really read anything like it,” adds Collette.

“Who can’t relate to that at the moment?”

Stowaway

Stowaway Productions, LLC/Augenschein Filmproduktion GmbH/RISE Filmproduktion GmbH

“Just that constant problem-solving of, ‘wait, okay, how do we fix this?’

And just when it seems like you’re onto something, there’s some very obvious fundamental problem.”

“It was like being in a spaceship.

Stowaway

Stowaway Productions, LLC/Augenschein Filmproduktion GmbH/RISE Filmproduktion GmbH

“I know [Penna] wanted it to feel incredibly claustrophobic and that was not hard!”

The cast itself was compact, too, with just the four characters trapped together in this dangerous environment.

There was nothing else to lean on,” Collette says.

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Stowaway Productions, LLC/Augenschein Filmproduktion GmbH/RISE Filmproduktion GmbH

“It helped that Toni was playing the captain.

It was one of those art-imitating-life moments.”

“I will also say this!”

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Stowaway Productions, LLC/Augenschein Filmproduktion GmbH/RISE Filmproduktion GmbH

He could have done it, but he was pretty miserable as well.

So that did make me feel a little bit better."

Heavier than the weightiest spacesuit, however, is the ticking clock chasing the four characters through the film.

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Anna Kendrick in ‘Stowaway’.Stowaway Productions, LLC/Augenschein Filmproduktion GmbH/RISE Filmproduktion GmbH

“There are so many points at which the mission can go wrong.

It’s fine until it isn’t.

Then it becomes a moral dilemma before transmuting into absolute survival.

It’s petrifying.”

“It would add this level of absolute terror and desperation.”

So, if she ever got the real opportunity to go to Mars?

Not ever, not in a million years.

Never, never, never, never, never, never," Kendrick says without hesitation.

“I would do a lot of things…

I would get a neck tattoo before I’d go to space.”

Stowawaypremieres April 22 on Netflix.

Check out the first look photos above.

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