Brad Pitt's so cool, he doesn't even need to shower.

That according to his "Inglorious Basterds" co-star Eli Roth.

"Brad had to get next to me for a close-up shot, and he said, 'Damn, you're ripe,'" Roth told People.com on Saturday. "I said, 'I didn’t have time to shower.' He said, 'Baby wipes, man, baby wipes.'"

Roth said Pitt explained: "Man, [with six kids] I'm getting pissed on all day. I don't have time to take a shower."

Roth is the director of horror movies Hostel and Cabin Fever, and his role in Quentin Tarantino's "Inglorious Basterds" is his first big break. The movie is about a group of Jewish soldiers who go on a Nazi-murdering spree.

RELATED: Click for Eli Roth's entire interview at People.com.

Along with Pitt and Roth, the international cast of "Inglourious Basterds" includes Diane Kruger as a German movie star and Allied operative, Daniel Bruhl as a Nazi war hero, Michael Fassbender as a British film critic turned spy, Melanie Laurent as a French Jew hiding under an assumed identity, Martin Wuttke as Hitler and Sylvester Groth as his right hand man, Joseph Goebbels.

Tarantino came to visit Pitt last summer with the script in hand. Pitt said the two talked about movies deep into the night.

PHOTOS: Click for pics of Pitt and the 'Basterds' at Cannes.

PHOTOS: Click for an exclusive cast shot from 'Inglourious Basterds."

PHOTOS: Go to VanityFair.com for more exclusive "Inglourious Basterds" pics and info.

"I got up the next morning and saw five empty wine bottles laying on the floor. Five. And something that resembled a smoking apparatus. I don't know what that was all about," Pitt said. "And apparently, I agreed to do the movie, because six weeks later, I was in uniform. I was Lt. Aldo Raine."

With his heavy Southern drawl, Pitt's character becomes known as Nazi-killing terror Aldo the Apache, the mention of him and his Basterds bringing horror to the hearts of German soldiers. When he forms the band, Aldo tells his team that each one owes him 100 Nazi scalps, and they comply graphically as Tarantino incorporates scenes of the Basterds skinning the heads of their victims.

The Associated Press contributed to this report.