Kate Walsh has returned to Grey’s Anatomy to scrub in as fan-favorite character Dr. Addison Montgomery once again. Keep reading to find out more…Kate said that while she hasn’t been in touch, she has “reached out” and sent her love and support. I haven’t been in touch with him, but I’ve reached out and sent my love and support and strength. I keep him, his family, his girls, in my prayers.”The relationship between Addison and Mark was a core part of early Grey’s. “Your characters, Addison and Mark, will forever be intertwined not only in the Grey’s universe, but in TV history,” said Variety reporter Max Gao.