Rocker and soon-to-be dad Gavin Rossdale has jumped aboard the independent comedy film, How to Rob a Bank. The husband of superstar Gwen Stefani and former Bush frontman will star alongside Nick Stahl of HBO's Carnivale and Erika Christensen, most recently seen in The Upside of Anger. The story revolves around a slacker and a bank employee forced to arbitrate between bank robbers, led by Rossdale, and police.