As we all know, the HIMYM cast love side projects. Neil Patrick Harris is gonna be a smurf, Josh Radnor has happthankyoumoreplease that did so well at Sundance and now Jason Segel has landed a staring role in the new Muppets movie. According to the Hollywood Reporter, Segel will play the human actor in their next movie, though many of the other details are still under wrap. The TV show as well as some of the movies tended to have one key human actor with whom the Muppets associated on their adventures. It is known that Segel plays a man on a quest to find and reunite the Muppets.