Barry faces off with his oldest, and most formidable nemesis, Reverse Flash.
Episode rating
Cast of episode
67
21
7
2
2
1
- Nora West-Allen
- Barry Allen
- Cisco Ramon
- Caitlin Snow
- Ralph Dibny
- Dr. Harry Wells
- Iris West-Allen
- Cecile Horton
- Joe West
- Orlin Dwyer
- Captain David Singh
- Cicada II
- Kamilla Hwang
- Trevor Shinick
- Grace Gibbons