Evelyn, an emotionally vulnerable and unstable woman, stays at the home of her doctor Dan Proctor. There she meets and falls in love with his brother, Douglas, who is happily married to Ann. Evelyn then sets forth to break up the happy marriage and win the love of Douglas.
Anne Baxter
as Evelyn Heath
Ralph Bellamy
as Douglas Proctor
Aline MacMahon
as Aunt Martha Proctor
Ruth Warrick
as Ann Proctor
Scott McKay
as Doctor Dan Proctor
Marie McDonald
as Miriam Blake
Jerome Cowan
as Ernest Hackett
Margaret Hamilton
as Hilda
Percy Kilbride
as John
Connie Laird
as Lee Proctor
Hobart Cavanaugh
as Mr. Blossom
Milton Kibbee
as Station Master