Dec 4, 2025 10:00am PT Kate Walsh Returning to ‘Grey’s Anatomy’ as Season 22 Guest Star (EXCLUSIVE) By Joe Otterson Plus Icon Joe Otterson TV Reporter joeotterson Latest Keke Palmer’s ‘The ‘Burbs’ Series Sets Release Date at Peacock, Drops Spooky First Teaser 2 hours ago ‘Boston Blue,’ ‘Sheriff Country’ Earn Speedy Season 2 Renewals at CBS 22 hours ago Glen Powell’s ‘Chad Powers’ Renewed for Season 2 at Hulu 23 hours ago See All Derek Kettela Dr. Addison Montgomery is scrubbing back in on “Grey’s Anatomy.” Variety has learned exclusively that Kate Walsh is set to reprise her role as the fan favorite character in an upcoming episode of the ABC medical drama’s ongoing 22nd season. Walsh will appear in the “Grey’s Anatomy” episode airing on Jan.