It’s not.
http://www.imdb.com/name/nm3148295/
He was in V though.
1 minute!
Edit: Now!
Edit edit: http://www.tvline.com/2011/05/supernatural-misha-collins-season-7/ (Edit edit edit: It has spoilers)
Oh my Crom! I cannot believe that song was released in 1976!!! Truly stands against the test of time.
Trying to look them up, but not having much luck without expending more effort than I desire.
Edit: Found them now. Wow, they really did use that song every season?
I think I may not be watching this show next season. Castiel is my favorite character and I’m just really disappointed about what has happened to him. 