Cristiano Ronaldo has interest in becoming an actor when his playing career ends.

"Why not?," Ronaldo said. "It is not my objective at the moment, but I have had some invitations. It's difficult as I have so many training sessions, games and competitions. But I would not close the door, it is something I like."

Ronaldo admitted it was unlikely he would become a Hollywood leading man, at least not at first.

"I would not be a lead, no," he said. "I would do small roles. I like to learn, to be surrounded by good actors, but that is the only way you learn.

"It is an area we do not know much about, it has nothing to do with football, but I believe with some training I could make it there.

"I am sure that sooner or later I will be in a cast for a film, no doubt. But to play a small role to start, to pick up experience. Then to shine more in the future."

Ronaldo turned 31 last month and his main focus will be his personal brand when he retires.

"I have the chance, thanks to God, to choose only what I like," he said. "I love the world of fashion, so it's not strange I have my own line of shirts, boxer-shorts, perfume, headphones, and more things will come out soon.

"I am happy as these projects are growing more and more. After football I now have an idea what will do. Maybe my brand will keep growing in different areas -- shoes, trousers, films et cetera.

"The name of Cristiano Ronaldo is eternal and I want to pass it on to my sons. That is my principal objective."