Julianne Moore says she still has anxiety about finding acting roles. “There’s not much certainty,” Moore, 52, says in DuJour magazine’s latest issue. “You can have a great experience on something and then just be unhireable the next year. It could be over! People ask me, ‘Why would you worry about not working again?’ And I always say, ‘Because it’s not unprecedented.’ ” DuJour’s Jason Binn will celebrate the issue at his party with wife Haley on Sunday at the Bridgehampton Surf and Tennis Club.