- as Barry Allen / Flash
- as Cisco Ramon / Vibe
- as Iris West
- as Ralph Dibny / Elongated Man
- as Cecile Horton
- as Joe West
- as Dr. Ramsey Rosso
- as Joan Williams
- as Kamilla Hwang
- as Allegra Garcia
- as Jay Garrick
- as Judge Hankerson
- as Mitch Romero
- as Gideon (Voice)
- as Caitlin Snow / Killer Frost
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Watch "The Flash > A Flash of the Lightning":