Πρωταγωνιστές του κύκλου 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

Γκεστ σταρ 8

1. 

   Wentworth Miller

   Leonard Snart / Captain Cold

2. 

   Audrey Marie Anderson

   Lyla Michaels

3. 

   David Hayter

   King Shark (voice)

4. 

   Austin Eckert

   ARGUS Agent

5. 

   Larry Hoe

   Government Official

6. 

   Tobin Bell

   Savitar (voice) (uncredited)

7. 

   Anne Dudek

   Tracy Brand

8. 

   Andre Tricoteux

   Savitar

Συντελεστές 5