Grant Gustin as Barry Allen/The Flash…he has already appeared on Arrow.
Jesse L. Martin as Det. West (Iris West’s father and Barry’s father figure)
Rick Cosnett as Eddie Thawne/Professor Zoom
Danielle Panabaker as Caitlin Snow/Killer Frost
Candice Patton as Iris West
Carlos Valdes as Francisco Roman/Vibe
Tom Cavanaugh as S.T.A.R. Labs CEO Harrison Wells
John Wesley Shipp (Yes…the same JWS that played The Flash in the 90’s TV series) as ???
It looks like the Arrow spinoff is rounding out well…