This made my morning...
However, a British pal of ours saw the Harry Potter actor in his opening night of Equus and has this report on Dan's dingalong:
"The frank was not impressive at all, but the beans were. He kept pulling on it [his dickydoo] when he had his back to the audience. Bless his heart! He has bigger balls than I do! You could not pay me to do that!"
perezhilton.com
We need actual pictures. I need to judge for myself.