This is why I love the Internet.
So, I foundthis awesomely fake Good Omens end credits sequence on love_jackianto's and then I stumbled upon this conceptual video for Crowley:
No, he's not James Marsters, but still, MATT BOMER! No, he's not British, but I think he'd do well. :D
Click to viewNo, he's not James Marsters, but still, MATT BOMER! No, he's not British, but I think he'd do well. :D