Feb. 20 (UPI) -- Game of Thrones heartthrob Kit Harrington, Sherlock scene-stealer Mark Gattis and The Lord of the Rings icon Liv Tyler are to star in the 17th century-set thriller Gunpowder, the BBC announced.
The three-part, historical drama about the failed assassination attempt against King James I of England was written by Ronan Bennett and will be directed by J. Blakeson. It will also feature Peter Mullan.