Crisis on Infinite Earths

is the sixth annual crossover event. It will air in Fall 2019

Cast

 * Grant Gustin as Barry Allen/The Flash
 * Candice Patton as Iris West-Allen
 * Danielle Panabaker as Dr. Caitlin Snow/Killer Frost
 * Carlos Valdes as Cisco Ramon/Vibe
 * Hartley Sawyer as Ralph Dibny/Elongated Man
 * Danielle Nicolet as District Attorney Cecille Horton
 * Tom Cavanagh as Dr. Harrison "Harry" Wells
 * Jesse L. Martin as Detective Joe West
 * Melissa Benoist as Kara Danvers/Supergirl and Kara Danvers
 * Mehcad Brooks as James Olsen/Guardian and Jimmy
 * Chyler Leigh as Director Alex Danvers and Alex Danvers
 * Katie McGrath as Lena Luthor
 * Jesse Rath as Querl Dox/Brainiac 5
 * Sam Witwer as Ben Lockwood/Agent Liberty
 * Nicole Maines as Nia Nal/Dreamer
 * April Parker Jones as Colonel Lauren Haley
 * David Harewood as J'onn J'onzz