Nancy Kelly
Nancy Kelly was an American actress. A child actress and model, she was a repertory cast member of CBS Radios The March of Time and became a movie leading lady in the late 1930s, while still in her teens. She mademovies between 1926 and 1977, including portraying Tyrone Powers love interest in the classic Jesse James , which also featured Henry Fonda, and playing opposite Spencer Tracy in Stanley and Livingstone later that same year. She had her greatest success in a character role, the suicidal mother in the The Bad Seed, receiving a Tony Award for the 1955 stage production and an Academy Award nomination for the 1956 film adaptation.
Of Irish descent, Kelly was born in Lowell, Massachusetts, into a theatrical family. Her mother was silent film actress Nan Kelly, who coached her and managed her career. As a child actress, Kelly appeared in 52 films made on the East Coast by the age of 17. Her younger brother was actor Jack Kelly, most noted for playing the lead alongside James Garner or Roger Moore from 1957 to 1962 in the television series Maverick.
Source: Wikipedia