Season 9 (The Flash: 2014)

"Let's do this one last time."

- The Flash

The ninth and final season of premiered on February 8, 2023, and concluded on May 24, 2023. It consists of 13 episodes.

Synopsis
After defeating the Reverse Flash once and for all, the 13-episode Season 9 picks up one week later following their epic battle, and Barry Allen and Iris West-Allen are reconnecting and growing closer than ever before. But when a deadly group of Rogues descend on Central City led by a powerful new threat, The Flash and his team—Caitlin Snow, Meta-Empath Cecile Horton, the light-powered meta Allegra Garcia, brilliant tech-nerd Chester P. Runk, and reformed cryogenics thief Mark Blaine—must once again defy impossible odds to save the day. But as The Rogues are defeated, a deadly new adversary rises to challenge Barry Allen's heroic legacy. And in their greatest battle yet, Barry and Team Flash will be pushed to their limits, in order to save Central City one last time.

Main Cast

 * Grant Gustin as The Flash (Barry Allen)
 * Candice Patton as Iris West-Allen
 * Danielle Panabaker as Frost / Goddess (Khione) / Caitlin Snow
 * Danielle Nicolet as Virtue (Cecile Horton)
 * Kayla Compton as Accelerant (Allegra Garcia)
 * Brandon McKnight as Chunk (Chester P. Runk)
 * Jon Cor as Chillblaine (Mark Blaine) / Negative Speed Force

Recurring Cast

 * Jesse L. Martin as Joe West / Negative Speed Force
 * Javicia Leslie as Red Death (Ryan Wilder) / Batwoman (Ryan Wilder)
 * Rick Cosnett as Cobalt Blue/Malcolm Gilmore (Eddie Thawne)
 * Carmen Moore as Kristen Kramer
 * Rachel Drance as Taylor Downs
 * Richard Harmon as Captain Boomerang (Owen Mercer)
 * Magda Apanowicz as Fiddler (Andrea Wozzeck)
 * Andy Mientus as Pied Piper (Hartley Rathaway)
 * Max Adler as The Hotness (Jaco Birch)
 * Damion Poitier as Goldface (Keith Kenyon)
 * Alexandria Wailes as Murmur (Michelle Amar)
 * Michelle Harrison as Nora Allen / Speed Force / Joan Williams
 * Stephanie Izsak as Daisy Korber

In-Universe Guest Stars

 * Nicole Maines as Dreamer (Nia Nal)
 * Stephen Amell as Green Arrow/Spectre (Oliver Queen)
 * David Ramsey as Spartan (John Diggle)
 * Victor Garber as Martin Stein

Guest Stars

 * Paul Anthony as Rainbow Raider (Roy Bivolo)
 * Sugar Lyn Beard as Hazard (Becky Sharpe)
 * Keiynan Lonsdale as Kid Flash (Wally West)
 * Sendhil Ramamurthy as Bloodwork (Ramsey Rosso)
 * Patrick Sabongui as David Singh
 * Matt Letscher as Reverse-Flash (Eobard Thawne)
 * John Wesley Shipp as Henry Allen / The Flash (Jay Garrick)
 * Shayan Bayat as Aariz Mousa
 * Jessica Parker Kennedy as XS (Nora West-Allen) / Negative Speed Force
 * Tom Cavanagh as Reverse-Flash/Harrison Wells (Eobard Thawne) / Timeless Wells (Harrison Wells)
 * Teddy Sears as Zoom (Hunter Zolomon)
 * Karan Oberoi as Godspeed (August Heart)
 * Piper Curda as Avery Ho
 * Tony Todd as Zoom (Hunter Zolomon)
 * Tobin Bell as Savitar

Production

 * Filming began on September 14, 2022, and wrapped on March 6, 2023.