Guest Stars Chris Petrovski as Dmitri Petrov Tracee Chimo as Nina Cummings Yasen Peyankov as Russian Foreign Minister Konstantin Avdonin Wentworth Miller as Senator Mark Hanson Tonya Pinkins as Susan Thompson Amanda Warren as Olivia Mason Patricia Kalember as Senator Kate Fletcher Seth Numrich as Griffin Melissa van der Schyff as Ginny Co Starring Kenya Brome as Keira Peters Bruce Sabath as Frank Corlent Kahlil Garcia as Steve Brian Sutherland as Senator Philip Armstrong Lisa Birnbaum as Amy Kyle Selig as Travis Tony Carlin as Senator McGrath Rona Figueroa as Reporter 2 Rebecca Haden as Candace Gannon McHale as Senator Cyrus Woodhouse Amy Lynn Stewart as Aide Margaret Ivey as Reporter 1 Brian Smolin as Devon Andrea Cirie as Veterinarian Laura Verillo as Broadcast Manager