- Grant Gustin (Barry Allen / The Flash)
- Candice Patton (Iris West-Allen)
- Danielle Panabaker (Khione)
- Danielle Nicolet (Cecile Horton)
- Kayla Compton (Allegra Garcia)
- Brandon McKnight (Chester P. Runk)
- Jon Cor (Mark Blaine / Chillblaine)
The Flash — S4E23
Episode: We Are The Flash
Air Date: 2018-05-22
Runtime: 42 min
Overview
Team Flash gets help from a surprising ally in their battle against DeVoe.