United Kingdom, June 15 -- Mission: Impossible got Simon Pegg fit.

The 56-year-old actor, who first appeared as IMF technician Benji Dunn in 2006's Mission: Impossible III, feared he would look nothing like a secret agent if he did not make drastic changes to his fitness and diet.

Simon admitted he "learned to take care of myself a little bit" in an interview with Page Six.

The entertainer continued: "It really was Mission: Impossible that taught me the joys of being well. [I] had to play a secret agent, so I kind of had to look like one and then I realised it was actually a lot of fun to look after yourself, like you might as well give yourself the best chance you can."

Simon joked that his diet has introduced him to new foods, inclu...