DC Comics/Milk Processor Education Program
05/28/2008 AT 2:00 PM ET
05/28/2008 AT 2:35 PM ET
The latest celeb to appear in a milk ad is Christian Bale – in his complete Batman costume from The Dark Knight – who encourages teens to drink three glasses of lowfat or fat-free milk daily. Bale, 34, costars with Heath Ledger, whom Bale called “intense” and “anarchistic” on the set.