Idris Elba has finalized his deal to star in Pacific Rim as the lead character, Sensei. We reported earlier this month that Idris Elba was circling the role, which he has now secured. The role was originally written for Tom Cruise.

Charlie Hunnam and Charlie Day have already been confirmed to star in this epic adventure, which centers on enormous monsters who invade Earth. The humans fight back by strapping into large, heavily-armed robots.

Guillermo del Toro is directing Pacific Rim from a screenplay by Travis Beacham (Clash of the Titans).

Related: Pacific Rim 2 Book Prepares Fans for the Ultimate Uprising

Warner Bros. is distributing Pacific Rim with Legendary Pictures' Thomas Tull and Jon Jashni producing. Shooting is slated to begin in November.