Ben Stiller: I don't make any rules 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.