Season 2 (The Flash)

The Flash was renewed for a second season on January 11, 2015. It will begin airing October 6, 2015 and will air during the 2015-2016 TV season.

Main cast

 * Grant Gustin as Barry Allen/The Flash
 * Candice Patton as Iris West
 * Danielle Panabaker as Caitlin Snow
 * Jesse L. Martin as Joe West
 * Tom Cavanagh
 * Carlos Valdes as Cisco Ramon

Recurring cast

 * Victor Garber as Martin Stein/Firestorm
 * Robbie Amell as Ronnie Raymond/Firestorm

Confirmed plot points

 * There will be a crossover with Arrow ' s fourth season sometime in fall to winter.
 * The fate of Joe West's wife, and Iris West's mother, will be revealed.
 * Mirror Master and Doctor Alchemy will appear.
 * Danielle Panabaker confirmed we will see Killer Frost sooner than we think.
 * More speedsters and villains will be introduced and Tom Cavanagh  will return as a series regular.
 * Rick Cosnett will not be part of this season's main cast.
 * The show will explore the multiverse in this season.
 * This season will have a new main villain that will be introduced within the first few episodes.

New characters

 * Wendy: A "spunky, fun and funny" romantic interest for Barry Allen. Wendy is described as bright and scientific-minded — more specifically, "Think 'Felicity Smoak' from Arrow".
 * "John Clark": A classically handsome, square-jawed hero in his 30s to early 40s, a slightly cynical man "with an edge".

Trivia

 * The Flash season two's trailer will be shown at Comic Con in July.