Sowing the seeds of evil. The Bad Seed is directed by Mervyn LeRoy and adapted to screenplay by Maxwell Anderson from the novel of the same name written by William March. Anderson had also adapted for the stage play as well. It stars Nancy Kelly, William Hopper, Patty McCormack, Henry Jones, Eileen Heckart and Evelyn Varden. Music is by Alex North and cinematography by Harold Rossen. Is there such a thing as Bad Seed? Where I grew up there was a violent family of four brothers, each one would think nothing of doing a Begbie on you. It was the first time I heard the saying Bad Seed, with the…