Guest Stars Donna Murphy as Dr. Muriel Landon Alex Ozerov-Meyer as John Doe Brendan Hines as Simon Gadson Co Starring Oren Gottfried as Neurosurgical Fellow #2 Yana Gold as Russian Translator Bilal Dawson as Happy Man Don W. Shepherd as Construction Worker Kevin Foy as Roman's Boss Patricia McPherson as Bystander Mishka Yarovoy as Alex Camille Eanga-Selenge as Neurosurgical Fellow Nadia Stone as Happy Woman
