Guest Stars Alma Sisneros as Nurse Jocelyn Diaz Scott Wolf as Dr. Scott Clemens Catharine Pilafas as Nurse Heather Bardocz Merle Dandridge as Gwen Luke Macfarlane as Rick Lincoln Mac Brandt as Mac Riley Ryan P. Shrime as Ali Shanley Caswell as Rachel Lawson Matt Lowe as Sid Baines Jake Elliott as Devin Lawson