Aliens Are Scary

Louise Fletcher was repeatedly turned down from roles because she was 5'10", and in those days a lot of the leading men were much shorter than that. Anne Bancroft and Angela Lansbury were both offered the role, but turned it down because they didn't want to appear so evil on screen. Ken Cassie's method for writing was to be completely off his head on drugs, and he would write a crazy amount then sober up and become his own editor.