- 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 — S0E25
Episode: The Power of Dr. Light
Air Date: 2015-11-11
Runtime: 6 min
Overview
One of the deadliest villains to darken our hero's path. Season 2 featurette.