16 Big Stars Who Showed Up On 'Law and Order: SVU' Before They Were Famous

List Rules
Vote up the stars you were surprised to see.

In early 2019, NBC renewed Law & Order: Special Victims Unit (SVU) for a record-breaking 21st season. While the award-winning series is well-known for its plotlines revolving around sexually oriented and particularly heinous crimes, it also stands out for its "Who's Who" list of actors who have made guest appearances over the years. Some of these actors, such as Robin Williams and Carol Burnett, were household names before appearing on the show. But several others who were cast in guest spots on SVU were lesser-known actors who have since become famous.  

Vote up the names that you are most surprised to learn appeared on the show.