Guest Stars Jesse Williams as Dr. Jackson Avery Sarah Drew as Dr. April Kepner Robert Baker as Dr. Charles Percy Leven Rambin as Sloan Riley Michael O'Neill as Gary Clark David Ramsey as Jimmy Thompson Jake McLaughlin as Aaron Karev Wendy Raquel Robinson as Gina Thompson Co Starring Brooke Blanchard as Jill the Paramedic James Shanklin as Lt. Moore Caroline Williams as Alison
