Greenland 2 Migration Movie (2026) Trailer - Greenland 2: Migration – in theaters January 9. Starring Gerard Butler, Morena Baccarin, and Roman Griffin Davis. - Plot synopsis: In the aftermath of a comet strike that decimated most of the earth, Greenland 2: Migration follows the Garrity family (Gerard Butler, Morena Baccarin, and Roman Griffin Davis) as they’re forced to leave the safety of their bunker in Greenland to traverse a shattered world in search of a new home.