Season 2 (The Flash)

The second season of The Flash premiered on October 6, 2015 on The CW.

Main cast

 * Grant Gustin as Barry Allen/The Flash and Bartholomew Allen
 * Candice Patton as Iris West and Detective Iris West
 * Danielle Panabaker as Dr. Caitlin Snow and Caitlin Snow/Killer Frost
 * Carlos Valdes as Cisco Ramon/Vibe and Cisco Ramon/Reverb
 * Keiynan Lonsdale as Wally West
 * Tom Cavanagh as Dr. Harrison Wells and Eobard Thawne
 * Jesse L. Martin as Detective Joe West and Joseph West

Recurring cast

 * Shantel VanSanten as Detective Patty Spivot
 * Teddy Sears as Jay Garrick/The Flash and Hunter Zolomon
 * Tony Todd (voice) as "Zoom"
 * Victor Garber as Professor Martin Stein/Firestorm
 * Wentworth Miller as Leonard Snart/Captain Cold
 * Demore Barnes as Dr. Henry Hewitt and Henry Hewitt
 * Ciara Renée as Kendra Saunders/Hawkgirl
 * Malese Jow as Linda Park and Linda Park/Dr. Light
 * Violett Beane as Jesse Quick
 * Patrick Sabongui as Captain David Singh and Singh
 * Vanessa Williams as Francine West
 * Matt Letscher as Eobard Thawne/Reverse-Flash
 * John Wesley Shipp as Dr. Henry Allen
 * Robbie Amell as Ronnie Raymond/Firestorm and Ronnie Raymond/Deathstorm
 * Adam Stafford as Adam Fells/Geomancer
 * Tone Bell as Scott Evans

Synopsis
"Following the defeat of Barry Allen's arch-nemesis Eobard Thawne (aka Reverse Flash), Team Flash quickly turned their attention to the singularity swirling high above Central City, which fans last saw consuming everything in its path. Armed with the heart of a hero and the ability to move at super speeds, Barry charged into the eye of the singularity, but will he actually be able to save his city from impending doom?"

Confirmed plot points

 * John Diggle and Lyla Michaels will arrive in Central City on the fifteenth episode to help Barry take on King Shark who has escaped from ARGUS and is hellbent on completing his mission of destroying The Flash.
 * Hartley Rathaway will return in the seventeenth episode

New characters

 * Mirror Master
 * Doctor Alchemy
 * Grey Griffin
 * Eliza Harmon: An exceptionally bright scientist with a Jekyll-Hyde split personality.
 * Trajectory: Having arrived in town intent on creating maximum chaos, Trajectory's antics are misinterpreted as having been perpetrated by the Flash himself. Barry thus must quickly! uncover the mystery of who is the girl under the mask — as well as what is driving her mad desire for speed and destruction.