If you don't want to know their names skip this post, if you are interested in them, go under the cut!
First name is a confirmation... Ninomiya Kazunari will be in the episode!
Other announced guests: Ichimura Masachika (Ban's chief at Baccanale in Bambino!, Makki's father in My Boss My Hero), Fukada Kyoko (Doronjo-sama in Yatterman plus tons of roles XD) and Natsuki Mari [ wiki ] are part of the cast.
thank you bunny for the tip :D
I wonder what roles they will cover...
Edit: Josy sent me Mezamashi just aired! ^_^
edit II: if you want real spoilers on the roles of each actor, read this: