Suggestions by @vadim_havard

Michael Christopher Smith

as Multiplex in Flash

Bob Frazer

as Psycho-Pirate in Flash

Dominic Burgess

as Kilg%re in Flash

Danielle Panabaker

as Killer Frost in Flash

Phil LaMarr

as Malefic in Flash

Greg Finley

as Girder in Flash

Dominic Purcell

as Heat Wave in Flash

Maribel Verdú

as Nora Allen in Flash

Magda Apanowicz

as Fiddler in Flash

Chad Rook

as Clyde Mardon in Flash

Liam McIntyre

as Weather Wizard in Flash

Billy Crudup

as Henry Allen in Flash

Mark Margolis

as Felix Faust in Flash

Riley Jade Berglund

as Joanie Swift in Flash

Jared Leto

as Joker in Flash

Will Smith

as Deadshot in Flash

Eric Nenninger

as Joseph Carver in Flash

Peter Capaldi

as Thinker in Flash

Richard Harmon

as Owen Mercer in Flash

Devon Graye

as Axel Walker in Flash