A-list attendees are a regular occurrence at San Diego Comic-Con these days, and don't expect this year to be any different. With such heavyweights as Jennifer Lawrence ("The Hunger Games: Catching Fire," "X-Men: Days of Future Past"), Chris Hemsworth ("Thor: The Dark World"), Sandra Bullock ("Gravity"), Bryan Cranston ("Breaking Bad," "Godzilla") Vin Diesel ("Riddick") and Metallica (really!) either confirmed or expected to turn out for the convention this year, it's bound to be a star-studded affair in San Diego - and we've highlighted 15 of the biggest names in the gallery below.

San Diego Comic-Con runs from July 18-21.