The Flash The Girl with the Red Lightning (Season 5, Episode 21)
TV-PG
TV Episode | 42 min | Action, Adventure, Drama

Primary photo for The Girl with the Red Lightning

The Flash

The Girl with the Red Lightning (Season 5, Episode 21)

TV-PG

TV Episode | 42 min | Action, Adventure, Drama

Team Flash is on high alert after Cicada II threatens to unleash a dangerous virus that would put all meta-humans at risk.

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Cast	+ Add Cast
26 cast members

Name	Known for
Grant Gustin Barry Allen / The Flash Barry Allen / The Flash See fewer	The Flash (2014)
Candice Patton Iris West-Allen Iris West-Allen See fewer	The Flash (2014)
Danielle Panabaker Caitlin Snow / Killer Frost Caitlin Snow / Killer Frost See fewer	The Flash (2014)
Carlos Valdes Cisco Ramon / Vibe Cisco Ramon / Vibe See fewer	The Flash (2014)
Hartley Sawyer Ralph Dibny / Elongated Man Ralph Dibny / Elongated Man See fewer	The Flash (2014)
Danielle Nicolet Cecile Horton Cecile Horton See fewer	Central Intelligence (2016)
Jessica Parker Kennedy Nora West-Allen / XS Nora West-Allen / XS See fewer	The Flash (2014)
Chris Klein Orlin Dwyer Orlin Dwyer See fewer	American Pie (1999)
Tom Cavanagh Sherloque Wells / Eobard Thawne Sherloque Wells / Eobard Thawne See fewer	Ed (2000)
Jesse L. Martin Joe West Joe West See fewer	Rent (2005)
Kimberly Williams-Paisley Renee Adler Renee Adler See fewer	Father of the Bride (1991)
Sarah Carter Grace Gibbons / Cicada II Grace Gibbons / Cicada II See fewer	Rogue (2013)
Patrick Sabongui Captain David Singh Captain David Singh See fewer	Homeland (2011)
Brandon Bagg Officer Officer See fewer	The Flash (2014)
Sonia Beeksma News Reporter News Reporter See fewer	Death Note (I) (2017)
Aliya Boulanger Female Uni Female Uni See fewer	A Christmas Treasure (2021)
Janet Glassford Surly Meta Surly Meta See fewer	Arrow (2012)
Everick Golding Trevor Shinick Trevor Shinick See fewer	Stolen by My Mother: The Kamiyah Mobley Story (2020)
Kareem Malcolm Male Uni Male Uni See fewer	The Irrational (2023)
Shawn C. Orr Short Meta (as Shawn Orr) Short Meta (as Shawn Orr) See fewer	The Last Samurai (2003)
Jami Rose Hipster Meta Hipster Meta See fewer	The Flash (2014)
Michael Roselli Large Meta (as Michael F. Roselli) Large Meta (as Michael F. Roselli) See fewer	I, Robot (2004)
Anna Louise Sargeant Meta Wife Meta Wife See fewer	Fifty Shades of Grey (2015)
Mike Veal IHP Guard #2 IHP Guard #2 See fewer	The Flash (2014)
Tim Zhang Anxious Meta Anxious Meta See fewer	Blood and Water (2015)
Mark Alastair Ihp Guard #1 (as Mark Fraser) Ihp Guard #1 (as Mark Fraser) See fewer	11.22.63 (2016)