Shirtless Zac Efron Jumps Off a Cliff For 'Running Wild with Bear Grylls'

Check out Zac Efron going shirtless while sticking out his tongue in a clip from the series premiere of Running Wild with Bear Grylls!

“I can’t believe how high this is,” the 26-year-old actor shared in the clip before jumping off a cliff.

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Bear told People, “We reached out to [Zac] and he kindly said he was a fan of the show and that he was in 120 percent. He asked for the biggest, baddest adventure and it was an honor to oblige.”