Walt Disney 1923

Alice's Wonderland - 1923
Alice visits Disney's cartoon studio where the cartoons jump off the page. Later on, she sleeps and dreams that she has gone to Cartoonland where she is able to interact with the cartoon characters.
Director : Walt Disney
Camera:Ub Iwerks,Rudolph Ising
Technical Direction:Hugh Harman,Carmen Maxwell
Live Actors:Virginia Davis (Alice)
Margaret Davis (Alice's mother ... Virginia Davis' mother in real life)
Walt Disney (animator)
Ub Iwerks (animator)
Hugh Harman (animator)
Rudolph Ising (animator)

The first "Alice" short.