Donna Mills is an American actress. She began her television career in 1966 with a recurring role on The Secret Storm, and in the same year appeared on Broadway in Woody Allen's comedy Don't Drink the Water. She made her film debut the next year in The Incident. She then starred for three years on the soap opera Love is a Many Splendored Thing (1967–70), before starring as Tobie Williams, the girlfriend of Clint Eastwood's character in the 1971 cult thriller Play Misty for Me. Mills played the female lead in the heist film Murph the Surf (1975), and had starring roles in a number of made-for-television movies during the 1970s.

The Secret Storm is an American television soap opera that aired on CBS from February 1, 1954, to February 8, 1974. It was created by Roy Winsor, who also created the long-running soap operas Search for Tomorrow and Love of Life. Gloria Monty, of General Hospital fame, was a longtime director of the series.