(Cover) - EN Showbiz - Miley Cyrus' co-star believes the actress would "kill" him in a fistfight.

Joshua Bowman stars with Miley, Jeremy Piven and Kelly Osbourne in upcoming action comedy So Undercover. The film follows Miley's character Molly Morris who is hired by the FBI to penetrate a university sorority and guard a mobster's daughter.

Joshua is glad that the few skirmishes in the movie were restricted to the screen.

"Miley would kill me [if this happened in real life]. She knows kung fu," Joshua joked to MTV News.

Miley is not the only actor who intimidated Joshua on set.

His character Nicolas experienced quite a battering during some scenes in the film.

"I get beat up twice: once by her and once by Jeremy Piven's character. I got beat up, so that's not good. Nick got beat up; I didn't get beat up," Joshua explained.

The film is not completely saturated with violence. Joshua embraces the comedic and romantic elements of the plot enthusiastically.

"It becomes a small love story. Well, it's not a love story cause it's action, but it's a comedy as well," Joshua said. "There are twists and turns, and you'll see who the real bad guy is. It's poppy. It's fun."

Miley is currently doing anti-bullying campaign work for philanthropic youth organisation Get Ur Good On.

So Undercover is slated for release in early 2012. (C) Cover Media