Jack Black Jokes About Dancing And Improvising On The Set Of 'Gulliver's...

Jack Black Jokes About Dancing And Improvising On The Set Of 'Gulliver's Travels'

Jack Black explains why it was so important that he was still able to ad-lib funny lines despite shooting with a green screen for most of the film. Plus, was Jack honored or embarrassed to have some of his wacky dance moves incorporated into the film?