Ethan Hunt, prepare to meet your new match.

Deadline reports, and director Christopher McQuarrie confirms, that Sean Harris is joining the cast of Mission: Impossible 5, the new installment in the Tom Cruise action franchise. Harris, best knnown for roles in Prometheus, The Borgias and 24 Hour Party People, will play the film's villain.

Details about the character are unknown; for that matter, the plot of Mission: Impossible 5 is under wraps. At the very least, we know some of the returning actors: Jeremy Renner, Simon Pegg and Ving Rhames.

Mission: Impossible 5 hits theaters on Dec. 25, 2015.