Cursory: Adam Brody will be the Flash in the JLA movie, if and when it takes off, but in a stand-alone Flash feature, Ryan Reynolds is considered.
This is Adam Brody:
This is Ryan Reynolds:
Here's some guy talking about this. Here's a the wikipedia article about it with the quote pertaining:
The Flash in other media - Wikipedia, the free encyclopedia
FilmIn December 2004, David S. Goyer was attached to write and direct a superhero filmfictional DC Comics character The Flash. Goyer expressed interest in having actor Ryan Reynolds portray Wally West, with Reynolds expressing his own interest in the role. In June 2005, Goyer was still developing the first script draft for The Flash and had yet to finalize negotiations with Reynolds. In February 2007, Goyer departed from the project, citing creative differences with the studio. Goyer's script was considered dark-themed, including both Barry AllenMike Baron, Mark Waid, and Geoff Johns. based on the and Wally West as The Flash and drawing on seminal comicbook runs by
Later in February 2007, director Shawn Levy was announced to be attached to The Flash and to oversee the writing of the new draft, which would use elements of Goyer's script. Ryan Reynolds expressed interest in the role once more of The Flash if the new script's incarnation was Wally West.
In October 2007, director David Dobkin said that he was signed on to direct The Flash, replacing Shawn Levy. Dobkin said that the film would work as a spin-off from the upcoming Justice League of America film. He said that the incarnation of the Flash would be Wally West.