The 54-year-old actress, who has also starred in Oceans Eight and the recent Netflix hit Bird Box, said she found it “hard” to focus on set when Keanu with around.

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“It was hard for me to, like, really be serious. He would look at me, and I would, like, [nervous laughter],” Sandra told the show’s host, Ellen DeGeneres.

And not only did Sandra find her co-star irresistible in the looks department, she also thinks he is a true gentleman.

Keanu even helped her with any wardrobe malfunctions during the film’s stunts.

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“My dress sort of kept flying up…So, I said, ‘Whatever you do, just keep my dress down. The whole stunt, he just made sure my dress [was kept down]….It was very sweet,” Sandra said.

Sadly, Sandra said she never hit it off off-screen with Keanu, and joked that maybe he didn’t like something about her, while Ellen tried to convince her that wasn’t the case.

“”[I] never dated him. There was something about me I guess he didn’t like,” the actress laughed.

“He was probably intimidated,” Ellen quipped.

In the action thriller film, Canadian actor Keanu, 54, plays a young police officer named Jack who had to stop a bomb from exploding on a city bus, while Sandra plays a bus passenger named Annie, who takes the wheel after the bus driver is wounded.