Full cast credits for "Prop. 8: The Musical"

The Funny or Die site states that the brilliant "Prop. 8: The Musical," which premiered online with a bang today, was "conceived and written (six weeks later than he shoulda) by-Marc Shaiman, directed and staged by: Adam Shankman. They also produced along with Mike Farah.

The cast (in order of appearance):

California Gays and The People That Love Them: Jordan Ballard, Margaret Cho, Barrett Foa, J.B. Ghuman, John Hill, Andy Richter, Maya Rudolph, Rashad Naylor, Nicole Parker

Proposition 8'ers and The People That Follow Them: Prop 8 Leader- John C. Reilly Prop 8 Leader's #1 Wife- Allison Janney Prop 8 Leader's #2 Wife- Kathy Najimy Riffing Prop 8'er-Jenifer Lewis A Preacher- Craig Robinson Scary Catholic School Girls From Hell-Rashida Jones, Lake Bell, Sarah Chalke

The Frightened Villagers: Katharine "Kooks" Leonard, Seth Morris, Denise "Esi!" Piane, Lucian Piane, Richard Read, Seth Redford, Quinton Strack, Tate Taylor

Jesus Christ: Jack Black

A Very Smart Fellow: Neil Patrick Harris

Here's the video again in case you want to watch it again (I've seen it five times at least):

More info can be found on the Funny or Die site.