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 Brian Stepanek as Andrew Stamler Taryn Manning as Heidi Dillon Greg Evigan as Sean Walsh John Allen Nelson as Mike Rydell Co Starring Corey Brill as Hamilton Solomon Joan Severance as Sophie Townsend Kenneth Colom as EMT Matthew Butcher as Uniform #1 Andrea Silvers as Caitlyn Townsend