Guest Stars Boti Bliss as DNA Analyst Maxine Valera Brian Poth as Audio/Visual Tech Tyler Jenson Holt McCallany as Detective John Hagen Michael B. Silver as Secret Service Agent Peter Elliott Michael Landes as Nick Marshall Taryn Manning as Heidi Dillon John Allen Nelson as Mike Rydell Brian Stepanek as Andrew Stamler Greg Evigan as Sean Walsh Co Starring Joan Severance as Sophie Townsend Corey Brill as Hamilton Solomon Kenneth Colom as EMT Matthew Butcher as Uniform #1 Andrea Silvers as Caitlyn Townsend