Actress. She is best remembered for her recurring portrayal of the wholesome Aunt Trina in the television series, "Mama". Born into a prominent religious family, she was originally studying acting at the University of Minnesota until she withdrew following the passing of her father. After a few years of work as a customer service associate for Sears Department Store, she enrolled at the MacPhail School of Music in Minneapolis, Minnesota, where she majored in voice and dramatics attaining her degree in theatrical arts. After performing as a regular cast member of the radio series "The Criminal Court" she was befriended by the legendary actor and writer Orson Welles who arranged for her to tour alongside him in the national tour of "Caesar." She later appeared in leading roles in such stage plays as "It's the Law," "Green Grow the Lilacs," "The Great Lover," "It's a Wild Child," "A Roomful of Roses," "The Bad Seed," "The Shoemaker's Holiday," and "Ah, Wilderness". During the golden age of radio, she flourished as a household name appearing in several guest spots of syndicated programs as "The Shadow," "Grand Central Station," "Suspense," "Mr. and Mrs. North," "Big Sister," "Bright Horizon," "The Campbell Playhouse," "The Mercury Theatre on the Air," "Columbia Workshop," "Mrs. Wiggs on the Cabbage Patch," "Mighty Casey," "Mr. District Attorney," "Romance," "The Fat Man," "The Second Mrs. Burton," and "Home Sweet Home." With the advent of television, she became a high-demand character actress, often typecast as either a wife, mother, grandmother, old maid, best friend, kindly neighbor, secretary, nurse, doctor, landlord, educator, eccentric, society figure, or matriarch, in such syndicated sitcoms as "Robert Montgomery Presents," "Campbell Summer Soundstage," "Goodyear Theatre," "The Alcoa Hour," "Gunsmoke," "Hotel de Paree," "The Real McCoys," "The Tall Man," "Alfred Hitchock Presents," "Bus Stop," "The Twilight Zone," "87th Precinct," "The Detectives," "General Electric Theatre," "Wagon Train," "Saints and Sinners," "Going My Way," "Glynis," "Bonanza," "The Virginian," "The Decorator," "The F.B.I.," "Hazel," "The Farmers Daughter," "Family Affair," "Ironside," "The Magical World of Disney," "Nancy," "Adam-12," "Lassie," "The Jimmy Stewart Show," "Owen Marshall, Counselor at Law," "Baretta," "Police Woman," "Fantasy Island," "Mrs. Columbo," "Stone," and "Buck Rogers in the 25th Century." She also appeared in such motion pictures as "The Wheeler Dealers" (1963), "The Prize" (1963), "Looking for Love" (1964), and "I'll Take Sweden" (1965). During her career, she was a member of the Screen Actors Guild, was supportive of the Motion Picture and Television Fund, was a chairwoman for her local charters of The American Red Cross and The March of Dimes, was active with the California State Republican Committee, and she was a theatrical instructor for the Pasadena Playhouse. After retiring in 1979, Frost relocated to Florida where she spent the last two decades of her life continuing to be an active parishioner of the Lutheran church and spent the other half of her time painting in oils, journaling, attending art galas, dining out every day, and was a benefactor to several hospitals, state parks, and libraries.