Training a star in real life can have its advantages. Like in the case of John Abraham's fitness instructors.

The hunky actor, who has an envious physique, was required to shoot some scenes of pumping iron for his character based on underworld don, Manya Surve.

However, when they required a couple of extras who help John train in the film, they decided to cast the actor's real instructors in the parts.

So thanks to Abraham, his partners in training too are now featuring in the movie!