Andy Richter stars as Andy Barker, P.I.. Andy Barker is a mild mannered accountant who moves into an office previously occupied by a private eye. When the PI’s clients start filtering in looking for help, mild mannered Andy decides to make an impromptu entry into the detective business – at his own peril. Andy Barker, P.I. is co-created by Andy Richter and Conan O'Brien for NBC.