Bob Saget Replaced Actor as Danny Tanner on 'Full House'

• Before Bob Saget, another actor played Danny Tanner in the 'Full House' pilot.
• The pilot episode was filmed entirely with the original actor.
• Bob Saget later replaced the original actor as Danny Tanner.
• The change occurred before the series was picked up for full production.
• The original pilot episode was not aired and remains unseen by the public.