PrecociousClaire Danes '92 -- "Skin Deep" (L&O)
Leighton Meester '99 -- "Disciple" (L&O)
Sarah Hyland '04 -- "Dead Wives Club"; '04 (L&O) -- "Hothouse" (SVU); "Vigilante" (TBJ)
At 12, Claire Danes took on a touchy role as a supermodel's daughter with her own ambitions, and within a couple years she went on to the Gen-X TV favorite, "My So-Called Life." After dabbling in movies, she was back with her intense, disastrous fury in "Homeland." Leighton ...
more PrecociousClaire Danes '92 -- "Skin Deep" (L&O)
Leighton Meester '99 -- "Disciple" (L&O)
Sarah Hyland '04 -- "Dead Wives Club"; '04 (L&O) -- "Hothouse" (SVU); "Vigilante" (TBJ)
At 12, Claire Danes took on a touchy role as a supermodel's daughter with her own ambitions, and within a couple years she went on to the Gen-X TV favorite, "My So-Called Life." After dabbling in movies, she was back with her intense, disastrous fury in "Homeland." Leighton Meetster was also 12 on her "L&O" rotation, before she broke out in a very different New York scene on "Gossip Girl." Sarah Hyland aims for the funny bone in "Modern Family," but she went for the jugular in an unforgettable role as an overachieving teen in "SVU" at age 14.
Who else made it big after their "L&O" appearance? Let us know in the comments below. less 
