Hayley Atwell Shot 'Mission: Impossible' Fight Scene Pregnant

Imagine you're making a big action movie, and one of the stars, Hayley Atwell, who plays Grace, is pregnant!

During the filming of a tough fight scene in 'Mission: Impossible,' she was eight and a half months pregnant.

She told everyone on the Jimmy Fallon show.

Even though people offered to use a stunt double, she decided to do the scene herself.

She wanted to show how committed she was to the role.

It was a secret until the interview.

She also recently confirmed she is married to Ned Wolfgang Kelly.