Buzz·Posted on Oct 24, 2012Everyone Has Been On "Law And Order: SVU"The 300th episode of SVU aired this week. And they've managed to cast half of Hollywood in their first 299.by Molly HoranBuzzFeed InternLinkFacebookPinterestTwitterMail The whole "Some Kind of Wonderful" poster The Fonz 1/4 of "Modern Family" Fathers and Sons Cary Elwes Past And Present Hayden Panettiere Cynthia Nixon The men of "The Vampire Diaries" Brittany Snow Jon Stamos and Bob Saget Kal Penn Former '90s child stars Bobby Flay Will and Grace Robin Williams Musicians Elizabeth Banks Teen stars as kids Hilary Duff Aging '90s heartthrobs Bradley Cooper So aspiring actors, decide now...are you a victim? A lawyer? Or a perp?