Cast
Ben Stiller as Larry Daley, a night security guard and Amelia's love interest.
Amy Adams as Amelia Earhart, a wax model of the first woman to fly across the Atlantic Ocean and Larry's love interest.
Adams additionally portrays Tess, a young woman at the end of the film who resembles Earhart.
Hank Azaria as Kahmunrah, a pharaoh who is Ahkmenrah's malevolent elder brother.
Azaria additionally provides the voices of The Thinker and the Lincoln Memorial's statue of Abraham Lincoln.
Robin Williams as Theodore Roosevelt, a wax sculpture of the 26th President of the United States who is Larry's mentor.
Williams additionally portrays a bronze bust of the president.
Owen Wilson as Jedediah, a cowboy minifigure and Octavius' best friend.
Steve Coogan as Octavius, a Roman general minifigure and Jedediah's best friend.
Christopher Guest as Ivan the Terrible, the historic Tsar of Russia who allies with Kahmunrah.
Alain Chabat as Napoleon Bonaparte, the leader of the First French Empire who allies with Kahmunrah.
Jon Bernthal as Al Capone, a photographic standee of the gangster of the same name and founder of the Chicago Outfit who allies with Kahmunrah.
Bill Hader as George Armstrong Custer, a military commander whom Larry befriends.
Mizuo Peck as Sacagawea, a polyurethane model of the Lemhi Shoshone woman who guided Meriwether Lewis and William Clark and Teddy's girlfriend.
Rami Malek as Ahkmenrah, a mummy of a pharaoh who becomes a fully living human at night and is the benevolent younger brother of Kahmunrah.
Patrick Gallagher as Attila the Hun, a wax model of the leader of the Huns.
Brad Garrett as the voice of the Museum of Natural History's Easter Island Head.
Kerry van der Griend, Matthew Harrison and Rick Dobran as wax models of Neanderthals.
Ricky Gervais as Dr. Leslie McPhee, the curator at the Museum of Natural History and Larry's boss.
Jake Cherry as Nick Daley, the son of Larry Daley.
George Foreman as himself.
Shawn Levy as an actor portraying a father in a Daley Devices infomercial.
Mindy Kaling as a docent at the National Air and Space Museum.
Ed Helms (uncredited) as Larry's best friend and assistant.
Jonah Hill (uncredited) as Brandon (pronounced BRUN-dən), a security guard at the Smithsonian.
Randy Lee, Darryl Quon, Gerald Wong and Paul Chih-Ping Cheng as Atilla's fellow Huns.
Jonas Brothers as the Cherubs.
Jay Baruchel as Joey Motorola, a sailor who resides in the V-J Day in Times Square photograph.
Alberta Mayne as Greta Zimmer Friedman.
Eugene Levy as a group of Albert Einstein bobbleheads.
Keith Powell and Craig Robinson as the Tuskegee Airman.
Clint Howard and Matty Finochio as a pair of flight controllers at the National Air and Space Museum.
Thomas Lennon and Robert Ben Garant as Orville and Wilbur Wright, respectively.
Caroll Spinney as Oscar the Grouch, a major character from the Sesame Street franchise who tries to ally with Kahmunrah but is dismissed because the ruler judges him to be "vaguely grouchy".
Thomas Morley as Darth Vader, a major character from the Star Wars franchise who tries to ally with Kahmunrah but is turned away because the ruler judges him as "evil, asthmatic" and "a robot".
Crystal the Monkey as Dexter and Able, a pair of mischievous stuffed capuchin monkeys.
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