Tom Cruise is ''the most intense individual''.

The 50-year-old actor throws himself fully into the physical aspect of his action roles, often performing jaw dropping stunts and 'Jack Reacher' assistant stunt coordinator, Rob Alonzo, revealed Tom was completely focused on set.

Speaking at Paramount Studios in Los Angeles, Rob exclusively told BANG Showbiz: ''You do kind of worry sometimes about what he's going through but I have to harness Tom back more than I have to push him forward. Sometimes we'll be told to tone it down a bit by those in charge but you never have to tell him to give more, it's give less because he is so into it. He is the most intense individual I have ever met.''

Rob also explained Tom's intense commitment made everyone on set try harder because no one wanted to be the person who let him down.

He said: ''You really want to try 10 times as hard as normal because his energy level is so high and you don't want to be the guy that's bringing up the rear. He makes us all work harder because no one wants to let him down. I love that sense of commitment from Tom.

''He knows you can't make a movie with one man, he understands the sense of teamwork and establishes a great line of communication between himself and all of the stunt performers. He is a great guy to work with.''

'Jack Reacher' is available on DVD, Blu-ray and Digital Download in the UK from 22 April