Guest Stars Omar Elba as Mark Green Alessandro Juliani as Dr. Oskar Totem Louis Ferreira as Dr. Max Finlayson Kelly Jenrette as Winona / Cyndi Walter Hiro Kanagawa as Reynaud Bram Villard John Beasley as Warren Chambers Co Starring Daniel Bacon as Karl Walter Mingzhu Ye as Sylvia Ellie Harvie as Doctor Tommy Clarke as Man in Scrubs #1 Michael F. Roselli as Man in Scrubs #2 Gail Hamilton as Estelle