TMDb/Greenland 2: Migration TV Gerard Butler returns in Greenland 2: Migration, streaming on HBO Max May 8th. See the survival thriller's sequel after its theatrical run. May 4, 2026 AceShowbiz - Gerard Butler has established himself as a leading figure in the action genre with a string of notable films including Law Abiding Citizen, Olympus Has Fallen, London Has Fallen, and Geostorm. Among his popular works, Greenland stands out as a gripping disaster film. Released in 2020, the movie follows a father and his family as they struggle to survive an extinction-level comet heading toward Earth.