Elenco Principal da Temporada 8

1. 

   Grant Gustin

   Barry Allen / The Flash

2. 

   Danielle Panabaker

   Dr. Caitlin Snow / Killer Frost

3. 

   Carlos Valdes

   Cisco Ramon / Vibe

4. 

   Keiynan Lonsdale

   Wally West / Kid Flash

5. 

   Tom Cavanagh

   Harrison 'H.R.' Wells

6. 

   Jesse L. Martin

   Joe West

7. 

   Tom Felton

   Dr. Julian Albert

8. 

   Candice Patton

   Iris West

Convidados Especiais 5

1. 

   Danielle Nicolet

   Cecile Horton

2. 

   Jessica Camacho

   Gypsy

3. 

   Nickolas Baric

   Security Guard #1

4. 

   Bruce Crawford

   Security Guard #2

5. 

   David Dastmalchian

   Philippe / Abra Kadabra

Equipa Técnica 6