Pravidelné obsazení sezóny 6

1. 

   Grant Gustin

   Barry Allen / The Flash

2. 

   Danielle Panabaker

   Dr. Caitlin Snow

3. 

   Carlos Valdes

   Cisco Ramon / Vibe

4. 

   Tom Cavanagh

   Harrison 'Harry' Wells

5. 

   Jesse L. Martin

   Joe West

6. 

   Candice Patton

   Iris West

Hostující obsazení epizody 14

1. 

   Amanda Pays

   Dr. Tina McGee

2. 

   Franz Drameh

   Jefferson 'Jax' Jackson / Firestorm

3. 

   Demore Barnes

   Henry Hewitt

4. 

   Vanessa Williams

   Francine West

5. 

   Jenna Berman

   McGee's Assistant

6. 

   Lisa Marie DiGiacinto

   News Anchor

7. 

   Greg Kean

   Supervisor

8. 

   Simon C. Hussey

   Security Guard

9. 

   Shantel VanSanten

   Patty Spivot

10. 

    Victor Garber

    Dr. Martin Stein

11. 

    David Hayter

    King Shark (voice)

12. 

    Austin Anozie

    Teammate #2

13. 

    Cainan Wiebe

    Teammate #1

14. 

    Kirby Morrow

    Coach

Štáb 8