Регулярный состав сезона 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

Приглашённые звёзды 10

1. 

   Kayla Compton

   Allegra Garcia

2. 

   Sendhil Ramamurthy

   Dr. Ramsey Rosso / Bloodwork

3. 

   Kunal Jaggi

   Steven Lee

4. 

   Ken Camroux-Taylor

   Judge Hankerson

5. 

   Shawn Stewart

   Mitch Romero

6. 

   Victoria Park

   Kamilla Hwang

7. 

   Alexa Barajas

   Esperanza Garcia / Ultraviolet

8. 

   Morena Baccarin

   Gideon (voice) (uncredited)

9. 

   Michelle Harrison

   Joan Williams

10. 

    John Wesley Shipp

    Jay Garrick / The Flash

Съёмочный состав 3