Johnny Galecki, perhaps most known for his role on the CBS sitcom The Big Bang Theory, played a male prostitute in the 2006-2007 Broadway production The Little Dog Laughed. The role called for full-frontal nudity, and when Johnny heard the call, he answered with his dick swinging around on stage.
There’s (unfortunately) only one blurry pic on the ‘net, but it’s enough to get an idea of the size and shape of Galecki’s flaccid member. It also looks like he might be uncut? Can anyone who saw the show confirm or deny this? It’s important for, um, research reasons.