who plays dr. herman on grey's anatomy
Geena Davis In 2005, Davis won the Golden Globe Award for Best Actress – Television Series Drama for her role in Commander in Chief. In 2014, she returned to television portraying Dr. Nicole Herman in Grey's Anatomy. She was nominated for an Academy Award for Best Actress along with her co-star Susan Sarandon for Thelma and Louise. Davis also starred as Regan MacNeil / Angela Rance in the first season of the horror TV series "inspired by" the best-selling William Peter Blatty novel The Exorcist, on Fox.
Jeffrey Dean Morgan Jeffrey Dean Morgan (born April 22, 1966) is an American actor. He is known for his roles as John Winchester on the fantasy horror series Supernatural (2005–07), Denny Duquette on the medical drama series Grey's Anatomy (2006–09), The Comedian in the superhero film Watchmen (2009), Jason Crouse on the political drama series The Good Wife (2015–16), Negan on the horror drama series The Walking Dead (2016–present), and Harvey Russell in Rampage (2018).