- 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 — S0E52
Episode: The Elongated Man
Air Date: 2018-08-28
Runtime: 10 min
Overview
Ductile detective Ralph Dibny adds levity to the team. Season 4 featurette.