Some of Wales’ best known legendary figures – including Merlin and King Arthur – make an appearance in Transformers: The Last Knight which filmed key filmed key sequences on location in Carmarthenshire and opens in cinemas next week.

Alongside Merlin and King Arthur, the Paramount Pictures production also features a transformer dragon in this action packed sequel to Transformers: Age of Extinction which sees giant robots exploring the history of Transformers on Earth in order to combat a new threat.

Directed by Michael Bay and written by Art Marcum and Matt Holloway (Iron Man) and Ken Nolan (Black Hawk Down), it stars Mark Wahlberg, Sir Anthony Hopkins and Josh Duhamel.

It will be released in the UK on June 22 and it is set to become one of this summer’s biggest hits.

Economy Secretary Ken Skates said: “Transformers is a hugely successful big screen franchise and its great news – and very apt - that they chose to film part of this highly anticipated sequel in Wales.

“It features some legendary figures and locations from Wales which ties in perfectly with our Visit Wales 2017 Year of Legends promotion.

“It also provided a tremendous opportunity for crew from Wales to get involved and gain invaluable experience of working on such a major production.”

Wales Screen helped find suitable locations for the production team who selected a disused quarry within the Brecon Beacons National Park as the ideal backdrop for some dramatic action sequences that featured Josh Duhamel who shared Instagram posts of his time in Wales as did Director Michal Bay.

The crew of 400 – which included 50 freelancers from Wales – spent a total of 28 days in the area last August preparing the site, filming and then deconstructing the set.

The Brecon Beacons National Park Authority, which has experience of working with large scale productions that have previously filmed in the area, also assisted during filming.

John Cook, CEO Brecon Beacons National Park Authority added: “Having Transformers film in the Brecon Beacons National Park last summer was an exciting time for everyone involved. We are lucky to have a wide variety of beautiful locations available here, including everything from dramatic open landscapes, native forests, spectacular waterfalls and in this case a deserted quarry. Our Filming Officer and team of Park Wardens are experienced in working with a wide range of filming requests and these in turn support the local economy.”