Stała obsada sezonu 7

1. 

   Grant Gustin

   Barry Allen / The Flash

2. 

   Danielle Panabaker

   Dr. Caitlin Snow

3. 

   Rick Cosnett

   Eddie Thawne

4. 

   Carlos Valdes

   Cisco Ramon

5. 

   Tom Cavanagh

   Harrison Wells

6. 

   Jesse L. Martin

   Joe West

7. 

   Candice Patton

   Iris West

Goście specjalni 9

1. 

   Wentworth Miller

   Leonard Snart / Captain Cold

2. 

   Logan Williams

   Young Barry Allen

3. 

   Robbie Amell

   Ronnie Raymond / Firestorm

4. 

   John Wesley Shipp

   Henry Allen

5. 

   Victor Garber

   Dr. Martin Stein

6. 

   Matt Letscher

   Eobard Thawne / Reverse-Flash

7. 

   Michelle Harrison

   Nora Allen

8. 

   Patrick Sabongui

   David Singh

9. 

   Ciara Renée

   Kendra Saunders

Ekipa 17