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 Dennis Boutsikaris Dr. Malcolm Croft Guest Star Veena Sood Dr. Kandhari Guest Star Anjali Jay Dr. Rosetta Stendahl Guest Star Taylor Cole Fiona Lane Guest Star Madison Smith Nate Ryland Guest Star Dan Quinn Medical Tech Guest Star Jonathan Silverman Roland Cavanaugh Guest Star Tom Butler Speaker Barnes Guest Star Pedro Cervantes Raul Aguirre Guest Star Kate Gajdosik Anchor Guest Star Darien Martin FBI Team Leader Guest Star Rob McEachern Cabbie Guest Star Sandy Robson Kirk Guest Star Hamza Fouad Smith 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 Steven Maeda Writer Tessa Blake Director