Регулярный состав сезона 9

1. 

   Grant Gustin

   Barry Allen / The Flash

2. 

   Candice Patton

   Iris West-Allen

3. 

   Danielle Panabaker

   Dr. Caitlin Snow / Killer Frost

4. 

   Danielle Nicolet

   Cecile Horton

5. 

   Carlos Valdes

   Cisco Ramon / Vibe

6. 

   Hartley Sawyer

   Ralph Dibny / Elongated Man

7. 

   Jesse L. Martin

   Joe West

8. 

   Jessica Parker Kennedy

   Nora West-Allen / XS

9. 

   Tom Cavanagh

   Harrison 'Sherloque' Wells

Приглашённые звёзды 6

1. 

   Cassandra Ebner

   Raelene Sharp

2. 

   Alex Rose

   Vance Brandon

3. Kathryn Marie Robinson

   Barista

4. 

   Lossen Chambers

   Dr. Vanessa Ambres

5. 

   Chris Klein

   Orlin Dwyer / Cicada

6. 

   Kyle Secor

   Thomas Snow / Icicle

Съёмочный состав 4