Actress Pompeo of "Grey's Anatomy"

ELLEN

This Emmy-nominated star also voiced a character in the 2018 animated film The Nutcracker and the Four Realms—look to her first name.

This clue is a straightforward reference to Ellen Pompeo, the well-known actress who has played Dr. Meredith Grey on the medical drama Grey’s Anatomy since 2005. The show’s title is included to help narrow it down, as Pompeo is strongly associated with this iconic role. There’s no wordplay here—just a direct connection between the actress’s last name and her most famous TV appearance. The answer is her first name, "ELLEN," which fits the crossword’s length.