did, and told them she had to call the police, but gave them enough time to flee. The residency program in Grey Sloan was also cancelled due to lack of doctors. Throughout the season, Meredith was traveling to a hospital in Minnesota, and she ultimately made a decision to take a job in the hospital where she was working, which almost ended her career at Grey Sloan. Grey, at the time, had a new love interest Dr. Nick Marsh (Scott Speedman), who was a doctor at Mayo Clinic where Meredith's new job opportunity was. In the very end of season 18, Bailey resigned as chief of surgery and made Meredith Grey take over as interim chief, leaving Grey in a state of shock. Recurring With the drama's setting being a hospital, numerous medical personnel appear regularly on the show, as well as several other recurring characters. Joe (Steven W. Bailey), is first shown as the owner of the Emerald City Bar and Grill, across the street from the hospital, which is a common relaxation area for the physicians. Also introduced in the pilot, is the legendary former general surgeon, Dr. Ellis Grey (Kate Burton), Meredith's Alzheimer's-stricken mother, who appeared on the show until her death in season 3. In the first season, Olivia Harper (Sarah Utterback), a nurse who appeared on the show occasionally until getting laid off in the merger with Mercy West, engages in a sexual relationship with O'Malley, giving him syphilis. Serving as an assistant and secretary to the Chief of Surgery, former nurse Patricia (Robin Pearson Rose), has appeared on the show since its debut. Tyler Christian (Moe Irvin), a hospital nurse, makes occasional appearances throughout the series. Within the second season, Bailey becomes pregnant by her husband, Tucker Jones (Cress Williams), who makes frequent appearances on Grey's Anatomy, until their divorce in season 5. While Bailey takes a sabbatical, due to her pregnancy, the cheerful Dr. Sydney Heron (Kali Rocha), fills her position as the resident supervising Grey, Yang, Stevens, Karev and O'Malley, and makes occasional appearances until the fifth season. Thatcher and Susan Grey (Jeff Perry and Mare Winningham), Meredith's estranged father and step-mother, are introduced in season 2, with Susan making appearances until her death in season 3, and Thatcher continuing to appear in the series until his death in season 15. Adele Webber (Loretta Devine), is introduced as Richard's wife, who eventually