Katie sagona is known as a child actor because she was a child acting on stage or in motion pictures or television.
Katie Sagona (born November 26, 1989) is an American child actress. 
The term child actor or child actress is generally applied to a child acting on stage or in motion pictures or television, but also to an adult who began his or her acting career as a child; to avoid confusion, the latter is also called a "former child actor". 
