Taking on his first role in a live-action studio picture since 2002′s “Analyze That,” Billy Crystal will join the cast of “Tooth Fairy,” the Fox comedy that begins shooting Monday in Vancouver.Michael Lembeck is directing. Dwayne Johnson stars with Ashley Judd, Julie Andrews, Stephen Merchant (“The Office”) and Ryan Sheckler. Johnson plays a minor league hockey player known for loosening dental work with physical play and is sentenced to serve as the real Tooth Fairy for a week. Randi Mayem Singer (“Mrs. Doubtfire”) has written the latest draft of the script. Previous drafts were by Lowell Ganz & Babaloo Mandel and Joshua Sternin & Jeffrey Ventimilia. Blumhouse’s Jason Blum is producing with Mayhem Pictures partners Gordon Gray and Mark Ciardi.