The film follows a group of friends coming together to celebrate Christmas.

Yet, eerily enough, the movie was just completing production when the world went into lockdown.

Possible spoilers ahead for “Silent Night.”

Lucy Punch smiling

So it’s a Christmas movie, but it’s not your typical warm, fuzzy Christmas film.

What was your first impression of it when you read the script?

Well, what I loved is that it starts off as a warm, fuzzy movie.

Lucy Punch in Silent Night

And I thought it did that seamlessly.

And you were given little clues in the first half hour that something’s awry.

What was the most difficult thing about shooting it, because it is such a dark movie?

The cast of Silent Night

And like everywhere we were like, “What is this COVID?

What is it?”

c’mon, c’mon, can you get on a plane now?"

The cast of Silent Night

I’ll never forget.

It was a wonderful experience, but it was, you know, extreme as well.

Was there anything specific that you drew inspiration from, or how did you get into character?

Lucy Punch in Silent Night

I mean the characters felt very familiar.

What would you do with your last day?"

Like a kind of conversation.

Lucy Punch, Kate Middleton in The Prince

“I’d do this.Da, da, da.”

“Who would you want to be with?”

I know you’re a parent as well.

Lucy Punch smiling

Did that have any effect on how you viewed it?

She killed off her own kids.

It definitely made it more intense and serious really than, sort of, the issues.

There was you, Keira Knightley,Lily-Rose Depp.

What was it like being on set and working with them?

We’re all like this [widens eyes], having this Christmas dinner, but funny as well.

And the script was so good.

But it was a lovely cast, and it was a lot of fun.

Lily-Rose [Depp] wanted to get to Paris.

I had my family coming in, and it got scary.

It got real in that moment for sure.

What message do you hope viewers take away from this movie?

Because there is a twist at the end!

Yeah, I do.

So hopefully that, because that will be great if people woke up to that.

But it was a treat with this script because it was that and then so much more.

It was so well written, and it was funny and scary.

And I thought that was really exciting.

How did you prepare to becomeKate Middleton?

What was that experience like playing such an icon?

Well, I didn’t prepare anything.

That was sort of a figment.

There had been, you know, a tragic and terribly sad death in the royal family.

Do whatever you want."

And again, funnily enough, I recorded a lot of that.

I was just sorry that it offended some people because that was never the intention.

And it was, like, so fantastical and crazy and over the top and silly.

It was never meant to be based in any sort of reality.

Is there one that you get recognized for the most?

You know, it’s funny I get Who’d I get?

I’ve done a show here that was in the U.K.

I’m in the U.K. right now called “Motherland” that has been a really big hit here.

And I love, I love being recognized and known by the children.

So, yeah that’s nice.

Is there any role you haven’t played yet that you would love to take on next?

God, so much.

I mean, there’s millions I’d love to do.

That was really fun, because you watched these quite light, funny characters dip into something else.

“Silent Night” is available in theaters and on AMC+ on Friday, December 3.