Freddie Prinze Jr. SLAMMED his former co-star so hard! Sarah Michelle Gellar's hubby was at Comic-Con over the weekend and he seriously dissed Kiefer Sutherland! It looks like the 24 actor isn't taking the comments lying down and his people have already responded to Freddie's harsh words! His rep said: 'Kiefer worked with Freddie Prinze, Jr. more than 5 years ago, and this is the first he has heard of Freddie's grievances. Kiefer enjoyed working with Freddie and wishes him the best.'