On November 11, 1956, the game show What's My Line? had Walt Disney as its "mystery challenger." Disney managed to conceal his identity from the panelists for a while, even answering questions in French to add to the confusion.
The blindfolded panel of Jerry Lewis, Arlene Francis, Dorothy Kilgallen, and Bennett Cerf tries to uncover the identity of their mystery guest by asking him questions. — Read the rest