Edith Atwater was an American stage, film and television actress.
Born in Chicago, Illinois, Atwater made her Broadway debut in 1933. In 1939 she starred in The Man Who Came to Dinner.
On screen she appeared in such films as The Body Snatcher, Sweet Smell of Success, Strait-Jacket and Family Plot.
From 1964 to 1965, Atwater appeared in several episodes of the television series Peyton Place in the role of Grace Morton, wife of Dr. Robert Morton, who was played by her real-life husband Kent Smith. During the 1966–1967 television season, she appeared in the series Love on a Rooftop. She was also a regular on the television series Kaz during the 1978–1979 season. Her other television work included appearances on The Rockford Files, Hazel, Knots Landing, and numerous other series.
Atwater was married to actor Hugh Marlowe from 1941 to 1946. She was married to actor Kent Smith from 1962 until his death in 1985, a year before her own death from cancer in 1986. She had no children.