Davey Havok to join “American Idiot” cast

First Billie Joe Armstrong joined the cast of his own musical, then Melissa Etheridge, now Davey Havok of AFI has signed on for American Idiot.

After Armstrong’s 50-show stint ends on February 27 he’ll pass the role of St. Jimmy on to Havok, who will play the bad guy part for two weeks starting March 1.

American Idol‘s Justin Guarini will join the cast at the same time as Havok, playing the role of Will.