1674702562 Gerard Butler almost killed Hilary Swank on the set of

Gerard Butler almost killed Hilary Swank on the set of ‘PS I Love You’: ‘I cut her open’

Gerard Butler opens up about a movie scene that went wrong.

On a recent episode of The Drew Barrymore Show, Butler shared that he “almost killed” Hilary Swank on the set of PS I Love You in 2007.

The actor explained that he’s working on a scene where he’ll dance “like an idiot” in boxers and suspenders. Gerard’s character, Gerry Kennedy, was supposed to be hit in the face with the suspender clip, but Swank was the victim of the metal accessory, which “slashed open” her head.

“It [got] stuck, let it go[d] and [flew] over my head,” Gerard explained of the alligator braces clip. “I cut them open. You could even see the teeth [of the clip]. She had to be taken to the hospital.”

GERARD BUTLER ACCIDENTALLY RUBBED PHOSPHORIC ACID ON HIS FACE WHILE FILMING PLANE, FELT HE ‘BURNING ALIVE’

The 53-year-old actor said the camera crew had “plastic fronts to protect themselves from the suspender clip,” adding the accessory was “so dangerous.”

The crew acted quickly, Butler shared the studio and was emptied “in three seconds”.

He almost betrayed Gerard Butler "killed" Hilary Swank on the set of "PS I Love You" in 2007.

Gerard Butler revealed he almost “killed” Hilary Swank on the set of PS I Love You in 2007. (Kevin Mazur/WireImage)

“I scarred Hilary Swank. I almost put her eye out and made a fool of myself for two days,” he explained. Though he felt terrible about the accident, he said Swank was a “great” person to work with.

This isn’t the first accident Butler has experienced on a movie set.

Hilary Swank and Gerard Butler at the premiere of Warner Bros.' "PS I Love You" in December 2007.

Hilary Swank and Gerard Butler at the premiere of Warner Bros.’ “PS I Love You” in December 2007. (Alberto E. Rodriguez)

The actor recently revealed on Late Night with Seth Meyers that he accidentally rubbed acid on his face while filming a scene for his upcoming action movie Plane.

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“It must have been me, rubbing my face. Suddenly it’s in my throat, it’s in my mouth, it’s in my nose, it’s in my eyes, it burns my face and I mean it burns. And it turns out it’s essentially phosphoric acid,” Butler said as the audience gasped.

The airline pilots consulting on the film set yelled “No!” and there was confusion about how the burns were to be treated, he told Meyers.

Gerard Butler in a scene from "Level."

Gerard Butler in a scene from Plane. (Kenneth Rexach/Lionsgate via AP)

The Centers for Disease Control and Prevention recommend flushing the area with water immediately.

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“Well, I’m like a living burn. It was intense and it actually burned for hours, but it was great for the scene,” laughed Butler.

Janelle Ash is an entertainment writer for Fox News Digital.