Nicole Kidman on Role as Military Wife: 'Really Powerful'

The actress discusses her new film, "The Railway Man," where she plays a woman who marries a former POW.
2:04 | 04/18/14

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Transcript for Nicole Kidman on Role as Military Wife: 'Really Powerful'
Nicole kidman, back on the big screen with two different roles. She's taking on princess grace. Also, an army wife in a new movie, as well. ABC's nick watt sat down and talked to her about it. Reporter: We all know that Nicole kidman is elegant, talented, beautiful. But she's also very funny. And also, rather tall. 5'11", by the way. In this, her latest role in "The railway man" kidman plays patty lomax. I never kissed a woman with a mustache before. And I don't think I'll kiss a man with a mustache again. Reporter: Who meets and marries Eric, a former P.O.W., traumatized by his torture at the hands of the Japanese in the second world war. It's a true story. Reporter: The idea is staying with someone and not abandoning them and somehow healing them with love, which is really powerful to me. Reporter: Have you ever been through something similar yourself that you can draw on? Of course, I relate to the power of love. And the healing properties of love. That's why I wanted to play it. I'm so happy. Reporter: For all you aspiring journalists, here's a painful lesson. You live in Sydney, right? No. I live in Nashville. Reporter: I thought you lived in Sydney. You didn't read the research. I can be a mother and a wife and hold down two jobs without people being too upset. Reporter: But I know she's princess grace. I wanted to do it justice. It's not a biopic. It's very much a fairy tale still. Reporter: Which "The railway man" most certainly is not. I love him. And I want him back. It talks about what soldiers are going through right now, coming back. And having endured things, having seen things. And how do you move forward with your life? And I think that's incredibly relevant to know. Reporter: For "Good morning America," nick watt, ABC news, Los Angeles.

This transcript has been automatically generated and may not be 100% accurate.

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