Santiago Cabrera Darius Tanz Actor Jennifer Finnigan Grace Barrows Actor Charlie Rowe Liam Cole Actor Jacqueline Byers Jillian Hayes Actor Ian Anthony Dale Harris Edwards Actor Melia Kreiling Alycia Stavros Actor Ashley Thomas Alonzo Carver Actor Luke Arnold Bass Shepherd Guest Star Samantha Ferris Director Evelyn Davis Guest Star Veena Sood Dr. Kandhari Guest Star Madison Smith Nate Ryland Guest Star John Noble Nicholas Tanz Guest Star Jonathan Silverman Roland Cavanaugh Guest Star Christian Sloan Whitehair aka Blond Streak Guest Star Mike Li Aide Guest Star Yaroslav Poverlo Andrey Vasilyev Guest Star James Lesure Congressman Trey Thomason Guest Star Lexie Huber Eloise Turner Guest Star Alessandro Juliani Senator Mitch Gitlow Guest Star Brittany Mitchell FBI Tech Guest Star Vladimir Moskovchenko Ivan Petrenko Guest Star Sarah Edmondson Nora Guest Star Elizabeth Kruger Executive Producer Craig Shapiro Executive Producer Alex Kurtzman Executive Producer Heather Kadin Executive Producer Stuart Gillard Executive Producer Grace Gilroy Executive Producer Peter M. Lenkov Executive Producer Damani Johnson Writer Gavin Johannsen Writer Nina Lopez-Corrado Director