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OTRC: Michelle Williams loved being Glinda around 'Oz' kids (Video)

Michelle Williams talks to OTRC.com after the premiere of 'Oz the Great and Powerful' in Los Angeles on Feb. 16, 2013.

Michelle Williams says there's nothing better than making kids happy.

The 32-year-old, who has a daughter with late actor Heath Ledger, stars as Glinda in "Oz the Great and Powerful" and divulged to OTRC.com the spell her character cast on the child actresses.

"One of the most unexpected things about this movie is was when I would have the chance to interact with the little girls who are in the movie, and to walk by them when I'm in my full hair and makeup and costume ... And to see the effect that it had on them, and to see them kind of melt a little bit. And what's better than making a kid happy?"

"Oz the Great and Powerful" is a prequel to the 1939 classic "The Wizard of Oz," a perennial favorite among children and adults. Since its release, the character of Glinda, who is a benevolent guide to Dorothy through the Land of Oz, has become a fan favorite and a movie icon. Williams, who plays a younger reimagining of this good witch, was up for the challenge of tackling this role.

"I just responded to the person that I met on the page, and to the words, and to the way that she was written," Williams said. "And when I met [director] Sam [Raimi], I knew that I really wanted to collaborate with him."

"When I first read it, she reminded me of a 1930s, 40s, screwball, romantic character," she added, citing the classic film star Veronica Lake as one of her muses.

Although Williams looked forward to the joy the film would give younger fans, she denied that the film's appeal is restricted to a certain age group.

"I don't like to speak broadly, or for other people," she said. "But I'm sure my mother will like it very much."

The Walt Disney Company owns OTRC.com and parent company KABC Television

Watch the trailer for "Oz the Great and Powerful" below.

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