Πρωταγωνιστές του κύκλου 8

1. 

   Grant Gustin

   Barry Allen / The Flash

2. 

   Candice Patton

   Iris West-Allen

3. 

   Danielle Panabaker

   Dr. Caitlin Snow / Frost

4. 

   Danielle Nicolet

   Cecile Horton

5. 

   Carlos Valdes

   Cisco Ramon

6. 

   Hartley Sawyer

   Ralph Dibny / Elongated Man

7. 

   Jesse L. Martin

   Joe West

8. 

   Tom Cavanagh

   Harrison 'Nash' Wells

Γκεστ σταρ 4

1. 

   Meera Simhan

   Rachel Rosso

2. 

   Sendhil Ramamurthy

   Dr. Ramsey Rosso / Bloodwork

3. 

   Nickolas Baric

   Security Guard

4. 

   James Rha

   Dr. Rodrigo

Συντελεστές 3