시즌 정규 출연진 7

1. 

   Grant Gustin

   Barry Allen / The Flash

2. 

   Danielle Panabaker

   Dr. Caitlin Snow

3. 

   릭 코스넷

   Eddie Thawne

4. 

   Carlos Valdes

   Cisco Ramon

5. 

   Tom Cavanagh

   Harrison Wells

6. 

   Jesse L. Martin

   Joe West

7. 

   Candice Patton

   Iris West

특별출연 15

1. 

   마크 해밀

   James Jesse / The Trickster

2. 

   Bre Blair

   Tess Morgan

3. 

   Devon Graye

   Axel Walker / The Trickster

4. 

   Chris Cound

   Father

5. Arlo Hajdu

   Henry

6. 

   Anthony Harrison

   Warden Wolfe

7. 

   Logan Williams

   Young Barry Allen

8. 

   John Wesley Shipp

   Henry Allen

9. Monice Peter

   Police Officer #1

10. 

    Anthony Shim

    Police Officer #2

11. 

    Vito D'Ambrosio

    Mayor Anthony Bellows

12. 

    Matt Letscher

    Eobard Thawne / Reverse-Flash

13. 

    Michelle Harrison

    Nora Allen

14. 

    Patrick Sabongui

    David Singh

15. 

    모레나 바카린

    Gideon (voice) (uncredited)

제작진 12