The 58-year-old actor has made a name for himself playing hardmen like Russian boxer Ivan Drago in Rocky IV and Gunner Jensen in The Expendables movies, but is continuing to move in a new direction with comedy Kindergarten Cop 2. A sequel to the 1990 original, which featured his Expendables co-star Arnold Schwarzenegger, Dolph plays an FBI agent who goes on an undercover mission as a teacher to recover important stolen data.

"It’s funny, because I never intended to be that way," he told Entertainment Weekly when asked if picking this film was a conscious decision to leave his reputation behind. "I was that person as a karate champion. When I got in the business, I thought acting was interesting and something I hadn’t done before.

"Of course, I end up doing 50 movies as a hulk, shooting everybody with a huge machine gun, and clean their clocks. It was sort of a conscious move."

Dolph stars opposite funnyman Bill Bellamy in Kindergarten Cop 2, who helped him understand how broad comedy is, while director Don Michael Paul gave the actor the freedom to have fun.

He also has funny features Small Apartments and Hail, Caesar! under his belt, and now realises he has a talent for humorous performances. Dolph is also using his big frame to his advantage, as he reasons physical comedy can be funnier when done by someone with a stout physique.

However, the Hollywood star will never complain about being pigeon-holed in the action genre as it's certainly helped pay bills but he admits after doing such films for so long he's feeling tired.

"If you’ve done The Expendables, then you can’t beat that action, and you might as well do something else," he noted.