EW asked one of its stars, Gugu Mbatha-Raw, to look back on her experience.

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I didnt even pause.

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Credit: Laurie Sparham/Netflix

When I read it, I was genuinely moved, she tells EW.

Its so hard to come up with original stories these days because audiences are so sophisticated.

I loved the scope of it.

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David Dettmann/Netflix

She recalls the shoot as, simply, a joy to work on.

The dialogue, Charlie Brookers writing, it just pinged off the page, she explains.

The music, the costumes… Everything about it made it such a unique and uplifting story.

And one that helped Mbatha-Raw feel like she was time-traveling herself.

It even channeled to Mbatha-Raws trailer while the cameras werent rolling.

It was nice to put on my 80s playlist, she says with a laugh.

I got into the Kelly zone.