Guest Stars Sarah Quinn as Assistant Michael Weston as Oscar Rankin Felix Solis as Prentice Gutierrez Aaron Serotsky as Detective McShane Richard Brooks as Detective Demps Gary Wilmes as Robert Barclay Doreen Montalvo as Nurse Tim McGeever as Resident Lorraine Velez as Claudia Sandoval Jessica Diaz as Maria Gutierrez Keira Keeley as Guitar Woman