The 300 star was on holiday in Switzerland when he decided to sign up for the jump and travelled by cable car to the top of 1.9-mile (3-kilometre) high Rothorn peak.
Butler was then strapped into a safety harness and leaped off the mountain, enjoying a 20-minute cruise in the sky before crash-landing on a bale of hay.
His instructor Dani Behling tells Scotland’s Sunday Mail, “At the beginning, he was really spooked, saying things like, ‘Oh my God, I’m scared.’ But after a few minutes he relaxed and was very quiet and enjoyed it…
“A farmer had built a grass haystack about two metres high and we landed right on top of it. He was laughing. He kept saying, ‘I want to do that again!'”