Valerie Mahaffey, the Emmy-winning actor known for 'Northern Exposure,' 'Big Sky,' 'Sully' and many other movies and TV series, has died. She was 71.

Valerie Mahaffey, a prolific actress of film, stage and TV shows including "Young Sheldon" and "Northern Exposure," has died at 71 from cancer.

Valerie Mahaffey, an actress known for her scene-stealing turns in "Desperate Housewives," and "Northern Exposure," died Friday in Los Angeles after battling cancer, her publicist said in a statement to CBS News. Mahaffey, who won an Emmy for playing Eve the hypochondriac on "Northern Exposure," was 71 years old.