Ben Stiller plays the title character in `` The Secret Life of Walter Mitty '' a film that is as much about his own life and career as it is about the lives of others. Not only has CGI made it relatively simple to turn Walter Mitty 's daydreams into Technicolor tapestries of digital eye candy , it 's also the kind of emotionally textured role that can be a springboard out of the banana-peel slapstick ghetto . While there are some visually stunning sequences , the film never quite comes to life .
Ben Stiller plays the title character in `` The Secret Life of Walter Mitty '' a film that is as much about his own life and career as it is about the lives of others. While there are some visually stunning sequences , the film never quite comes to life .