Guest Stars Clifton Davis as Ephraim Ware Chris Petrovski as Dmitri Petrov Johanna Day as Admiral Ellen Hill Tracee Chimo as Nina Cummings Wentworth Miller as Senator Mark Hanson Amanda Warren as Olivia Mason Houshang Touzie as President Najid Shiraz Sabina Zúñiga Varela as Angela Lopez Norbert Leo Butz as Lochlainn Heeney, Jr. Spencer Garrett as Alan Canning Tonya Pinkins as Susan Thomas Graham Rowat as Secretary Max Allen Nicholas Guest as President Maxim Salnikov Randall Newsome as General Ashtels Co Starring Brad Heberlee as Eli Volk Julia Burrows as Tracy