British actor Richard E. Grant is joining Hugh Jackman in Wolverine 3, The Hollywood Reporter reveals.

The movie is heading towards a May start with Patrick Stewart, who will play X-Men leader Professor X, and Boyd Holbrook, who is set to play Jackman’s nemesis.

Plot details are being kept under wraps, but it is known that Grant will play a villainous mad-scientist type.

James Mangold is directing the project, which is being produced by Lauren Shuler Donner and Hutch Parker.

Grant is a well-known face on the British acting scene, most recently playing a key role in a Jekyll & Hyde TV series. He also co-starred in Dig, the thriller co-created by Tim Kring that aired on USA. Other recent appearances include Doctor Who and HBO’s Girls.