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, a veteran actress whose myriad TV roles included Northern Exposure (for which she won an Emmy), Desperate Housewives and Young Sheldon, died on Friday after a battle with cancer. She was 71.

Valerie Mahaffey of Young Sheldon and Northern Exposure fame has tragically passed away on Friday. At the time of her death, Valerie Mahaffey was 71 years old.