Season Regulars 4

1. 

   Mariska Hargitay

   Olivia Benson

2. 

   Ice-T

   Odafin 'Fin' Tutuola

3. 

   Kelli Giddish

   Amanda Rollins

4. 

   Peter Scanavino

   Dominick 'Sonny' Carisi Jr.

Guest Stars 21

1. 

   Jamie Gray Hyder

   Katriona Tamin

2. 

   Madison Ferris

   Piper Hill

3. 

   Eddie Kaye Thomas

   Luke Mitchell

4. 

   Daniel London

   Ash Gordon

5. 

   Susannah Flood

   Rebecca

6. 

   Natalie Smith

   Jill Bailey

7. Claire Saunders

   Christie

8. 

   Jackson Mercado

   Counselor Efrain Hernandez

9. Michael Blas

   Bodega Worker

10. 

    Paco Lozano

    Doorman

11. Gio Castellano

    Cart Guy

12. Mark A. Keeton

    Scumbag Perp

13. Caitlin Kerchner

    Amy Kress

14. Jeremy Russial

    Robert Kluger

15. 

    Erin Anderson

    April Andrews

16. Matt Buechele

    Donnie Jones

17. 

    Michael Mastro

    D. Serani

18. 

    Caris Vujcec

    Louise Campesi

19. Michele Pawk

    Gail Knight

20. Ean Sheehy

    TARU Tech

21. 

    Elizabeth Ramos

    Leah

Crew 0

There are no crew records added to Solving for the Unknowns.