Dramatic leading and supporting actress in 1930s and 40s Hollywood, her background had encompassed both vaudeville and the Broadway musical stage.
She introduced the song "You're the Cream in My Coffee" in the Broadway play "Hold Everything", c. 1927. Memorable as Belle Watling in 'Gone With the Wind' (1939). Ona Munson's name is often confused with that of the actress Osa Massen. Portrayed Lorelei Kilbourne, society editor for The Illustrated Press, on CBS Radio's "Big Town" (1940-1942). She replaced Claire Trevor in the role. Married her third husband, artist and designer Eugene Berman, at the Beverly Hills home of Igor Stravinsky. She was plagued by ill-health for the final years of her life, and committed suicide with an overdose of sleeping pills aged 51.