Guest Stars John Boyd as Special Agent Stuart Scola James Chen as Ian Lim Cindy Cheung as NYPD Rep Ann Sasha Alexander as Valerie Caldwell Fernando Chien as Ray Zhao Guy Lockard as Len Barker MaYaa Boateng as Sasha Harris Nicholas Baroudi as Christopher Wharton Co Starring Carmen Lamar Gonzalez as Bomb Tech Carla Flores Richard Andrew Torres as Capitol Police Officer Max Wolkowitz as Public Affairs Staffer Terron Jones as Wayne Simmons Paul Hickert as Bill Sullivan Jacob H. Knoll as Daniel Harley Greg Brostrom as Alex Nelson Jennifer Blood as Gabrielle Delgado Sarah Nina Hayon as Paula Alvarez