 In season three , George 's father , Harold O 'Malley ( George Dzundza ) , is diagnosed with cancer and dies , with his wife Louise ( Debra Monk ) and George 's brothers Jerry ( Greg Pitts ) and Ronny ( Tim Griffin ) by his side . Louise goes on to appear occasionally , and was last seen in season eight . A ferryboat accident brings along Rebecca Pope ( Elizabeth Reaser ) , who is initially introduced as a pregnant Jane Doe victim , suffering from Amnesia . Pope eventually embarks on a relationship with Karev , until she is diagnosed with a personality disorder in season four , and makes her final departure . Amidst the crisis of the ferryboat crash , Meredith falls into the water at the disaster site . Although rescued , she goes into cardiac arrest , waking up in what appears to be limbo . Within the limbo , Meredith is entertained by deceased acquaintances Duquette and Dylan Young ( Kyle Chandler ) , who was killed during a bomb crisis in the second season , until eventually being resuscitated . Seeking a cure to her depression , Meredith undergoes therapy sessions with the hospital psychiatrist , Dr. Katharine Wyatt ( Amy Madigan ) , who in addition , serves as a psychiatrist to Hunt . 
