We had some friends visit us from Canada over the holidays. They had a 5 day park pass for Disneyland and California Adventure, but only used 3 days. They left the passes with us, and we'd like to use them for one day. The tickets say "non transferable" but does Disney go to extreme measures to find out if the person entering is the person who purchased the passes? The tickets aren't signed. I'd hate to drive all the way down there only to be embarrassed and turned away at the gate!