There's not a person in the world who wouldn't recognize Mickey Mouse. But until now, not many knew the man who originally gave shape, movement and personality to the world's most beloved icon. "The Hand Behind the Mouse: The Ub Iwerks Story" takes you behind the scenes to meet Walt Disney's best friend and chief animator.

Bonus short on the 101 Dalmatians Diamond Edition Blu-ray featuring interviews with the people who worked on the movie.

Along with his legendary cartoons, Walt Disney produced a marvelous array of live-action classics that came about through the use of his singular style, hard work and an unwavering belief in this vision.