Season Regulars 24

1. 

   Tom Bergeron

   Self - Host

2. 

   Carrie Ann Inaba

   Self - Judge

3. 

   Bruno Tonioli

   Self - Judge

4. 

   Erin Andrews

   Self - Host

5. 

   Len Goodman

   Self - Judge

6. 

   Julianne Hough

   Self - Judge

7. 

   Alan Bersten

   Self - Troupe Dancer

8. Brittany Cherry

   Self - Troupe Dancer

9. 

   Hayley Erbert

   Self - Troupe Dancer

10. 

    Britt Stewart

    Self - Troupe Dancer

11. 

    Witney Carson

    Self - Partner: Chris Kattan

12. Keo Motsepe

    Self - Partner: Charo

13. 

    Kym Johnson

    Self - Partner: Mr. T

14. 

    Gleb Savchenko

    Self - Partner: Erika Jayne

15. 

    Maksim Chmerkovskiy

    Self - Partner: Heather Morris

16. 

    Artem Chigvintsev

    Self - Partner: Nancy Kerrigan

17. 

    Peta Murgatroyd

    Self - Partner: Nick Viall

18. 

    Sharna Burgess

    Self - Partner: Bonnor Bolton

19. Sasha Farber

    Self - Partner: Simone Biles

20. 

    Val Chmerkovskiy

    Self - Partner: Normani

21. 

    Lindsay Arnold

    Self - Partner: David Ross

22. 

    Emma Slater

    Self - Partner: Rashad Jennings

23. Artur Adamski

    Self - Troupe Dancer

24. Brandon Armstrong

    Self - Troupe Dancer

Guest Stars 10

1. 

   Mr. T

   Self - Contestant

2. 

   Erika Jayne

   Self - Contestant

3. 

   Heather Morris

   Self - Contestant

4. 

   Nancy Kerrigan

   Self - Contestant

5. 

   Nick Viall

   Self - Contestant

6. Bonner Bolton

   Self - Contestant

7. 

   Simone Biles

   Self - Contestant

8. 

   Normani

   Self - Contestant

9. David Ross

   Self - Contestant

10. Rashad Jennings

    Self - Contestant

Crew 0

There are no crew records added to Week 4: Most Memorable Year.