Andy Serkis and Thomas Brodie-Sangster have joined the cast of Fox’s action-fantasy adaptation ‘Mouse Guard’.

Serkis will portray the villainous blacksmith Midnight and Brodie-Sangster will play Lieam, one of the Mouse Guard’s youngest members.

Maze Runners’ Wes Ball is at the helm of the film which is based on the graphic novel series. The story is set in a medieval times world without humans and centre on a brotherhood of mice sworn to serve their fellow mice.

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‘Rogue One: A Star Wars Story’ writer, Gary Whitta, is on board to pen the adaptation with ‘War For The Planet Of The Apes’ helmer Matt Reeves producing. Ross Richie and Stephen Christy, both of Boom! Studios — the publisher of ‘Mouse Guard’. Joe Hartwick Jr. is also producing.

Fox is looking to produce a live-action movie through performance capture technology employed in the ‘Planet of the Apes’ films, in which Serkis starred as the ape leader Caesar. This mean’s his performance capture skills will again be put to good use.

Serkis last project saw him at the helm of the dark ‘Mowgli: Legend of the Jungle’, he had previously starred in Marvel’s ‘Black Panther’. His upcoming projects include ‘Long Shot’ alongside Charlize Theron and Seth Rogen, he will also lend his voice to the animated version of ‘The Christmas Carol alongside Martin Freeman, Daniel Kaluuya (almost a mini Black Panther reunion) and Carey Mulligan.

Brodie-Sangster was last seen in the finale of the ‘Maze Runner’ saga ‘The Death Cure’. He currently provides the voice of John Tracy in the ‘Thunderbirds are Go’ Tv series. His upcoming projects include voicing a character in the animation ‘Dragon Rider’ with Patrick Stewart and Felicity Jones.