Lucas till as Barry Allen
Lily Collins as Iris West
Jace Norman as Wally West
Joel McHale as Captain Cold
James McAvory as Mirror Master
Josh Lawson as Captain Boomerang
Diego Luna as Weather Wizard
Jim Carrey as Trickster
Travis Fimmel as Heatwave
Antony Starr as the Reverse Flash
Julia Roberts as Nora Allen
Aaron Eckhart as Henry Allen
Dennis Quaid as Jay Garrick
Gorilla Grodd as Grodd
The avengers as themselves