Adriana Caselotti
Adriana Caselotti (May 6, 1916 – January 18, 1997) was an American actress, voice actress and singer. Caselotti was the voice of the title character of the first Walt Disney animated feature "Snow White and the Seven Dwarfs", for which she was named as a Disney Legend in 1994, making her the first female voice actor so named.
The Mickey Mouse Theater of the Air
Walt Disney did the voice of Mickey Mouse for the first three episodes. Starting with the fourth episode, Mickey was voiced by comedian Joe Twerp. Disney appeared as himself in some early episodes. In later episodes, Disney was too busy to attend performances, and he was impersonated by announcer John Hiestand. Radio actor J. Donald Wilson provided the voice for one episode.