시즌 정규 출연진 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

특별출연 13

1. 

   Reese Alexander

   Museum Guard

2. 

   Emily Bett Rickards

   Felicity Smoak

3. 

   Jesse Reid

   Oswald Loomis

4. 

   Bruce Harwood

   Dexter Myles

5. 

   Lucas Wolf

   Thug #3

6. 

   Wentworth Miller

   Leonard Snart / Captain Cold

7. 

   Christopher Rosamond

   Thug

8. 

   Paul Belsito

   Thug #2

9. 

   Sarah Hayward

   Tour Guide

10. 

    Robert Mann

    Basil Nurblin

11. 

    Hugo Steele

    Security Guard

12. 

    Dominic Purcell

    Mick Rory (voice)

13. 

    Patrick Sabongui

    David Singh

제작진 13