ABC's Grey's Anatomy had been teasing a someone from Meredith Grey's (Ellen Pompeo) past that will return, with the show delivering a shocking twist by bringing back memorable guest star Scott Speedman as a new series regular.Speedman played Nick Marsh in the Season 15 episode One Day Like This that aired in March 2018, a transplant surgeon who was treated at Grey Sloan hospital when he came to pick up a liver for his patient at the Mayo Clinic in Minnesota.Nick ended up collapsing and Meredith ended up discovering and removing a blood clot that saved Nick's own kidney, with fans immediately picking up on their chemistry, though he never returned...
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