Kevin McKidd as Owen Hunt
First episode (2008): "Dream a Little Dream of Me: Part 1" (Season 5, Episode 1)
Latest episode (2020): "Put on a Happy Face" (Season 16, Episode 21)
What he's up to now (2020): Of course, Kevin is still playing Owen and has appeared in 283 episodes. Besides Ellen, Chandra, James, and Justin, Kevin has appeared in the most episodes. He has also directed 27 episodes of Grey's.