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He may play lovable oik Karl in Stella, but Julian Lewis Jones will soon be winning over a new army of fans after landing a role in upcoming DC Comics movie blockbuster, Justice League.

The 48 year-old - who tomorrow (July 5) narrates Carmen at the Llangollen International Musical Eisteddfod - is no stranger to Hollywood, having been directed by Clint Eastwood in the 2009's film, Invictus, which starred Morgan Freeman and Matt Damon.

“I’m not allowed to say yet what part I play but let’s just say I’ve a role in what will likely be the most expensive film ever made," said the Anglesey-born actor.

"It was filmed at Warner Brother’s studio at Leavesden as well as at various locations around the UK and Iceland.

“Directed by Zack Snyder it stars Ben Affleck, Jeremy Irons and host of A-list actors. I’m just happy to have been involved and I’m looking forward to the movie’s release which will be next year."

Justice League sees Affleck's Batman join up with Superman, Wonder Woman, The Flash and Aquaman to fight a villain called Steppenwolf and it will be released next year.

Jones rose to international prominence after his leading role in the 2009 film, Invictus, in which he played Etienne Feyder, the head of Nelson Mandela’s bodyguard team.

According to the actor, working on the Oscar-nominated movie which was directed by Eastwood and co-starred Morgan Freeman and Matt Damon was a "wonderful experience".

“Invictus certainly brought recognition and opened previously locked doors for me. Working with people like Clint Eastwood, Morgan Freeman, Matt Damon and Adjoa Andoh is amazing," he said.

“There are no huge egos, no airs and graces. These are just ordinary people doing an extraordinary job. They work incredibly hard and Clint Eastwood in particular I found to be a really decent and talented man.”

But this week he will be on home soil and showing off a very different skill when he narrates the concert adaptation of Georges Bizet's opera Carmen, starring internationally acclaimed opera stars Kate Aldrich - who is replacing Katherine Jenkins after illness forced her to pull out of the role - and Noah Stewart.

The actor is no stranger to the Llangollen stage having previously introduced an evening concert at the festival.

The father-of-three, said: “This will be a very different experience for me and narrating an opera isn’t something I have ever done before. This will be something new and I’m chuffed to have been asked to do it.

“My role as narrator is to set the scene for the audience so they know what is happening and what each scene is all about. It will be new for me too as I have never worked with opera as an art form before."

After the festival, Jones will have a very busy summer.

“I’m busy with a few projects of my own at the moment. I’m the executive producer for a British film, Rugby Girls, which will tell the story of the first women’s rugby world cup which was held in Wales in 1991.

“It’s an amazing story and we are hoping to begin filming later this year."

Carmen is the opening concert for the Llangollen International Musical Eisteddfod which runs from July 5 to 10. For more details visit the website