<P> On his third night, Larry brings Nick to the museum to watch the exhibits come to life, but they strangely do not . They catch Cecil, Gus, and Reginald stealing artifacts, who explain the tablet's magic has allowed them to feel physically young in their old age, and plot to frame Larry for the theft while they enjoy a happy retirement . Nick activates the tablet, but Cecil steals it, locking Larry and Nick in the Egyptian exhibit . They free Akhmenrah, and rally the exhibits to stop the thieves and retrieve their colleagues who fled out into Central Park . Gus and Reginald are captured, but Cecil escapes by stagecoach . </P> <P> Larry and several exhibits give chase, where they stop Cecil and recover the tablet, using its magic to escort all of the exhibits back into the museum before sunrise . Rebecca witnesses this and makes amends with Larry and is subsequently introduced to Sacagawea . The next day, McPhee fires Larry after watching news reports of sightings of the exhibits last night, but once they start to leave the museum, they find out that the reports have caused an increased number of visitors, and Larry is immediately rehired . Near the end of the film, Larry, Nick, and the exhibits throw a party in the museum . During the credits, it is shown that Cecil, Gus, and Reginald have been forced to serve as museum janitors for their crimes . </P> <Ul> <Li> Ben Stiller as Larry Daley, a night - shift security guard at the American Museum of Natural History in New York . </Li> <Li> Dick Van Dyke as Cecil Fredericks, a veteran security guard </Li> <Li> Carla Gugino as Rebecca Hutman, a museum docent </Li> <Li> Mickey Rooney as Gus, a veteran security guard </Li> <Li> Bill Cobbs as Reginald, a veteran security guard </Li> <Li> Jake Cherry as Nick Daley, Larry's son </Li> <Li> Ricky Gervais as Dr. McPhee, the curator of the Museum of Natural History and Larry's boss </Li> <Li> Kim Raver as Erica Daley, Larry's former wife </Li> <Li> Charlie Murphy as the taxi - driver </Li> <Li> Paul Rudd as Don, Erica's fiancé </Li> <Li> Anne Meara as Debbie </Li> </Ul> <Li> Ben Stiller as Larry Daley, a night - shift security guard at the American Museum of Natural History in New York . </Li>

Name of actress in night at the museum
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