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