- 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 — S0E57
Episode: Inside the Crossover: Elseworlds
Air Date: 2019-08-27
Runtime: 43 min
Overview
Executive producers of Arrow, Batwoman, The Flash and Supergirl gather for an entertaining discussion, and some of DC's greatest minds explore the Elseworlds genre.