Guest Stars Chyler Leigh as Dr. Lexie Grey Steven W. Bailey as Joe Loretta Devine as Adele Webber Jeff Perry as Thatcher Grey Elizabeth Reaser as Rebecca Pope Jack Yang as Walter Brian Tee as Andrew 'Andy' Billings Mandy Siegfried as Molly Thompson Derek Phillips as Dale Winick Kevin Rankin as Jack Vaughan Aasha Davis as Rina Co Starring Nicole Rubio as Paramedic Nicole Cummins Tim Chiou as Paramedic #6 Michelle N. Carter as Exam Proctor
