Cast
Liam Hemsworth as Jake Morrison, a pilot of the Earth Space Defense and Patricia Whitmore's fiancé who lost his parents when the aliens first attacked.
Jeff Goldblum as David Levinson, the director of the Earth Space Defense and the United States government's leading researcher on extraterrestrial technology who played a part in defeating the aliens in the last film.
Bill Pullman as President Thomas J. Whitmore, the former President of the United States who is highly revered by the country as a world-saving war hero, but the fights against the aliens have left Whitmore with post-traumatic stress disorder and permanently psychically linked to the enemy.
Maika Monroe as Patricia Whitmore, the daughter of Thomas Whitmore who was inspired by her father to follow in his footsteps as a combat pilot and dedicates her military career to the memory of her mother Marilyn. She was previously portrayed by Mae Whitman in the first film.
Jessie T. Usher as Dylan Hiller, the stepson of the legendary Captain Steven Hiller and captain of the Earth Space Defense. He was previously portrayed by Ross Bagley in the first film. Captain Steven Hiller was portrayed by Will Smith in the first film and was mentioned to have perished trying out one of the hybrid fighter prototypes.
Travis Tope as Charlie Miller, a lieutenant in the Earth Space Defense and friend of Jake, who also lost his family when the aliens first attacked.
William Fichtner as General Joshua T. Adams, the United States Air Force General and the Chairman of the Joint Chiefs of Staff who later succeeds President Elizabeth Lanford as the new acting President of the United States.
Charlotte Gainsbourg as Dr. Catherine Marceaux, a French psychiatrist researching telepathic connections between humans and aliens, and David Levinson's romantic partner after his wife Constance died before the events of the film.
Judd Hirsch as Julius Levinson, a retired rabbi, David Levinson's father, and the author of the book How I Saved the World that narrates events of the first invasion from his experiences and perspectives.
Brent Spiner as Dr. Brackish Okun, the director of research at Area 51. Dr. Okun had spent the past 20 years in a coma after what happened in the last film.
Sela Ward as President Elizabeth Lanford, the President of the United States. She lost her family during the first invasion and this loss made her suspicious of anything coming from space.
Angelababy as Rain Lao, a Chinese lieutenant in the Earth Space Defense and Dylan Hiller's second-in-command of the Legacy Squadron who also lost her parents when the aliens first attacked and was adopted by her father's younger brother Jiang Lao.
Joey King as Sam Blackwell, the oldest of the Blackwell siblings who finds Julius.
Vivica A. Fox as Dr. Jasmine Dubrow-Hiller, Dylan's mother and the widow of Steven Hiller.
Robert Loggia as General William Grey, the retired Commander of the Space Command.
Nicolas Wright as Floyd Rosenberg, a U.S. federal controller assigned to David Levinson and seeks to join the fight against the aliens with the Earth Space Defense.
DeObia Oparei as Dikembe Umbutu, the Congolese warlord of the National Republic of Umbutu.
Chin Han as Jiang Lao, the Chinese general and commander of the Earth Space Defense's Moon base and Rain Lao's paternal uncle and adoptive father.
Patrick St. Esprit as Reese Tanner, the United States Secretary of Defense in President Lanford's cabinet.
Gbenga Akinnagbe as Agent Matthew Travis, a United States Secret Service agent assigned to former President Thomas Whitmore.
John Storey as Milton Isaacs.
James A. Woods as Lieutenant James Ritter, a subordinate of General Joshua Adams.
Mckenna Grace as Daisy Blackwell, Sam's sister.
Garrett Wareing as Bobby Blackwell, Sam's brother.
Hays Wellford as Felix Blackwell, Sam's brother.