Πρωταγωνιστές του κύκλου 6

1. 

   Grant Gustin

   Barry Allen / The Flash

2. 

   Candice Patton

   Iris West-Allen

3. 

   Danielle Panabaker

   Dr. Caitlin Snow / Killer Frost

4. 

   Carlos Valdes

   Cisco Ramon / Vibe

5. 

   Tom Cavanagh

   Harrison 'Harry' Wells

6. 

   Jesse L. Martin

   Joe West

Γκεστ σταρ 10

1. 

   Hartley Sawyer

   Ralph Dibny / Elongated Man

2. 

   Arturo del Puerto

   Edwin Gauss / Folded Man

3. 

   Miranda MacDougall

   Izzy Bowin

4. 

   Kim Suzanne Engelbrecht

   Marlize DeVoe / The Mechanic

5. 

   Andrew Barber

   Hippie Guy

6. Joel Wirkkunen

   Bus Driver

7. 

   Neil Sandilands

   Clifford DeVoe / The Thinker

8. 

   Bethany Brown

   Janet Petty / Null

9. 

   Leonardo Nam

   Matthew Kim / Melting Point

10. 

    Morena Baccarin

    Gideon (voice) (uncredited)

Συντελεστές 4