The actress-turned-director sounds off on her shows long-running milestone of 18 years! Take a look. Subscribe: About E!<br>At SVU 400th episode TV Guide magazine cover, Kelli Giddish, Michelle Burd and Peter Scanavino share their favorite thing about Mariska Hargitays .<br>More from The Insider: The Insider was on the red carpet and backstage with the cast of Law &amp; Order: SVU as they celebrated their 400th .<br>After 400 episodes, “Law &amp; Order: Special Victims Unit” is still going strong, and cast members Mariska Hargitay, Ice-T, Kelli Giddish, Raul Esparza and Peter .
