Abbie Carmichael
Law & Order character Abbie Carmichael served as the ADA in SVU for six episodes, including the series premiere.
Alexandra Cabot
The show's first permanent ADA, Alexandra Cabot joined the show in season two and stayed until season five. She entered the Witness Protection Program after an attempt on her life, returned in season six to testify, starred in a short-lived spinoff series and eventually returned to SVU with appearances in season 10, 11, 13 and 19.
Elizabeth Donnelly
As the SVU bureau chief, Elizabeth Donnelly supervised junior ADAs including Cabot and Novak. She served in that role from season three-six before becoming a judge. She took a leave of absence from the bench in season 10 to try a case, but eventually returned to her role as a judge.
Casey Novak
Casey Novak was the ADA from season five-nine, eventually leaving after being censured. She returned in season 12 and 13.
Kim Greylek
Kim Greylek, a Justice Department veteran, appeared as ADA in season 10. Her tenure was short and she returned to the Justice Department and Cabot took over ADA duties.
Jo Marlowe
Stabler's one-time partner, Jo Marlowe came to the squad in season 11. There were no shortage of clashes with her around. After being held hostage at the end of season 11, she revealed she had an aggressive form of cancer.
Sherri West
A temporary ADA, Sherri West was always there when they needed her...for five episodes. She went on to become a defense attorney.
Michael Cutter
A crossover from the mothership show, Michael Cutter was the Bureau Chief ADA of the Special Victims Unit in season 13.
David Haden
David Haden's time with the squad was short (four episodes in season 13), but he did leave an impact as one of Olivia Benson's few love interests on the show.
Peter Stone
Peter Stone came over from Chicago Justice in season 19 of SVU. The son of Law & Order character Benjamin Stone, Peter left at the end of season 20 when he put his friendship with Benson ahead of his legal ethics.

