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Ben Stiller: I don't make any rules

24 December 2013 Last updated at 06:58 GMT

Actor Ben Stiller talks about his latest character in The Secret Life of Walter Mitty.

Stiller's character is a daydreamer who works at Life magazine and imagines starting a relationship with his colleague Cheryl, played by Kristen Wiig.

The BBC's Genevieve Hassan caught up with the 48-year-old and talked to him about the film, which he also directed.