The Bad Seed (movie)

The Bad Seed is a 1956 American horror movie. It has elements of film noir. This movie is based on the 1954 play of the same name.
Plot.
On her piano, eight year old Rhoda Penmark (played by Patty McCormack) plays the French song "Au clair de la lune" while her father says his good-byes and goes on military duty. Rhoda is under the care of her mother Christine (Nancy Kelly). 
Rhoda begins as a well-behaved child. As the movie goes on, she becomes evil and sinister. She commits murder, steals and sets fires. 
A lightning bolt during a rainstorm kills Rhoda instantly.
Reception.
This was one of Warner Bros. biggest movies of the year. It took in $4.1 million in the American box office. It was also popular in the British box office. 
The movie was nominated for four Academy Awards, including Best Actress, Best Actress in a Supporting Role and Best Cinematography.
Remakes.
"The Bad Seed" was remade for television in 1985.