planning Call of the Dead Ensemble Cast achievement run 360 (need help)

[riderpool]

Tonight, me and my brother plan to get Ensemble Cast in BLOPS Zombies: Call of the Dead.

We need 2 other people to help us hold off zombies and other stuff. Only people with headsets please.

our tags are RiderkidDA and zoneshatterer19 on XBL.

Thanks to anyone who can help.