"Let's just get this out of the way: They're chipper even when nobody's looking.
If you go on a behind-the-scenes tour of Walt Disney World in the hopes of catching one of those happy cast members with his smile down -- spitting on the break-room floor, maybe, or being mean to some kittens -- you'll be disappointed. Disney's Cult of Cheerfulness survives even in the no-go zones."
If you have enough cash, you might just be lucky enough to get to see Walt's cryogenically frozen head, too.
Nope, nevermind, sorry Snopes debunked it here.
Read the original backstage article here.