Tom Cruise says the secret to his success is that he works "seven days a week".

Tom Cruise at Jack Reacher: Never Go Back premiere

Tom Cruise at Jack Reacher: Never Go Back premiere

The 54-year-old actor was in London on Thursday night (20.10.16) to attend the glitzy premiere of his new movie 'Jack Reacher: Never Go Back'.

Cruise, as usual, spent an hour meeting fans on the red carpet taking selfies and signing autographs and when explaining what he believes he and the all-action ex-military man Reacher have in common he mused it is their total commitment to their work.

Speaking to BANG Showbiz, Cruise said: "He's a character that travels around a lot and I certainly travel around a lot. I don't know ... I haven't really thought about it that much. I'm always working - I work seven days a week - I'm usually shooting one film while I'm post-production on another and prepping the next one, so, maybe that."

The film is a sequel to 2012 blockbuster 'Jack Reacher' and in the sequel the character makes it his goal to prove that Major Susan Turner (Cobie Smulders) is innocent of espionage

But after crossing paths with the law, Reacher must uncover the truth behind a major government conspiracy that involves the deaths of US soldiers.

Talking about his return to the role, Cruise said: "It's a pretty good genre that's able to connect with the audience that watched the first one to see that it's expanded. It's such a funny character you don't know what this guy is going to do next. It's just ... I love playing him.

"I know people want to be Jack Reacher, you know, you kinda feel it in the books when you're reading it, you can't stop turning those pages and that's the fun of it and movies, creating characters that put yourself in his shoes. It's very satisfying, you're getting the bad guy and they're getting justice."

Cruise explained what got him hooked when he sat down to read the books by British author Lee Child.

He said: "I just started reading them and I couldn't put them down and I thought, 'Who is this character Jack Reacher?' He's just ... the stuff he does is just outrageous, some of the things he says and how he approaches life and his viewpoint on life is very unexpected."

Cruise was joined on the red carpet by his co-stars Cobie Smulders

and Danika Yarosh as well as 'Jack Reacher' creator Child.

Other celebrities in attendance included Rebecca Ferguson, Kimberly Garner and Jean Bernard Fernandez-Versini - the ex-husband of Cheryl Fernandez-Versini.