Mark Wahlberg shaves a bald spot into Steve-O’s head

Steve-O has inserted a leech into his eyeball and snorted wasabi (among many other outrageous stunts), so go ahead and categorize a haircut from Mark Wahlberg as a walk in the park.

After a lengthy interview with Wahlberg on the latest episode of his Wild Ride podcast, the Jackass stunt king and comedian allowed his guest to shave a bald spot into his head. Why? To promote Wahlberg’s upcoming adventure film Flight Risk, in which he sports a big bald head as his character.

“Are we doing it? We cutting your hair for real?” asked Wahlberg, admitting that he already knew Steve-O would be game for a drastic new look considering “all the shit you do.” (See: leeches, wasabi.)

The shave happens toward the end of the interview, at around the 35-minute mark in the video below.

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“I’m super excited,” Steve-O said, psyching himself up. “And I’m acutely aware that we don’t waste your time, so let’s go, brother.”

“I’ve just got to say that I’m so impressed,” Wahlberg replied, explaining that he shaved his own head for his new movie. “First of all, I don’t want to sit in that makeup chair putting on a wig, wearing a bald cap,” he said. “I was like, ‘I know a lot of guys who are bald and always embraced it. My dad, for one, and my favorite actors like Robert Duvall. So I’m hoping this is going to carry on a trend.'”

“But Steve-O is literally the first one to say, hey, in support of the movie he wants to do it,” Wahlberg marveled. “This guy’s done everything. There’s nothing he’s scared of.”

“I’m a human crash test dummy,” Steve-O confirmed.

Then, the shave commenced, with Wahlberg noting that the Jackass star has a “good head” for this sort of makeover.

Added Wahlberg, “We’ve got to do a sequel right now, me and you.”

From director Mel Gibson, Flight Risk (in theaters Jan. 24) centers on an air pilot (Wahlberg) who must transport an Air Marshal (Michelle Dockery) and fugitive (Topher Grace) to a trial. But as they cross the Alaskan wilderness, tensions mount, as not everyone on the flight is who they say they are.

Wahlberg’s character has a mostly bald head, a transformation that the actor fully committed to — much to the surprise of his wife, model Rhea Durham.

“There was no bald cap,” Wahlberg told PEOPLE last year. “I shaved the middle and left the horseshoe around the sides. We just shaved it. They would shave the top as close to the scalp as possible every day, obviously, because we didn’t have any stubble or anything. So I just hid it with a hat. The most priceless thing was seeing my wife’s face when I took my hat off after getting the hair cut for work that day.”

Added Wahlberg, “My kids — my boys especially — they loved the haircut. They got a lot of laughs out of that.”