Guest Stars Clifton Davis as Ephraim Ware Kevin Rahm as Michael "Mike B" Barnow Tracee Chimo as Nina Cummings Yasen Peyankov as Russian Foreign Minister Konstantin Avdonin Eric Stoltz as Will Adams Arian Moayed as Mohammed "Mo" Alwash Tonya Pinkins as Susan Thompson Skipp Sudduth as Peter Harriman Will Chase as Owen Callister Christopher Shyer as FBI Director Frank Meredith Bill English as Senator Scott Eckstad Michelle Liu Coughlin as Diplomat #1 David Gow as Waiter # 1 Arnold Y. Kim as Diplomat #2 Eric Harper as Waiter # 2 Co Starring Chagmion Antoine as News Anchor Rachel Pickup as Lana Jenna Gavigan as Brooke Harriman Lawrence Arancio as Yeric Kolkin Mickey Theis as Kevin Harriman