Supergirl Medusa (Season 2, Episode 8)
TV-14
TV Episode | 42 min | Action, Adventure, Drama

Supergirl

Medusa (Season 2, Episode 8)

TV-14

TV Episode | 42 min | Action, Adventure, Drama

As Eliza comes to National City for Thanksgiving, Kara turns to Lena for help when Cadmus unleashes a virus that instantly kills aliens, then is asked by Barry Allen and Cisco Ramon for help with an alien invasion on their Earth.

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Cast	+ Add Cast
22 cast members

Name	Known for
Melissa Benoist Kara Danvers / Supergirl Kara Danvers / Supergirl See fewer	Supergirl (2015)
Mehcad Brooks James Olsen James Olsen See fewer	Desperate Housewives (2004)
Chyler Leigh Alex Danvers Alex Danvers See fewer	Not Another Teen Movie (2001)
Jeremy Jordan Winn Schott Winn Schott See fewer	The Last Five Years (2014)
Floriana Lima Maggie Sawyer Maggie Sawyer See fewer	The Punisher (2017)
Chris Wood Mon-El Mon-El See fewer	Containment (2016)
David Harewood J'onn J'onzz / Cyborg Superman / Hank Henshaw J'onn J'onzz / Cyborg Superman / Hank Henshaw See fewer	Blood Diamond (2006)
Grant Gustin Barry Allen Barry Allen See fewer	The Flash (2014)
Carlos Valdes Cisco Ramon Cisco Ramon See fewer	The Flash (2014)
Helen Slater Eliza Danvers Eliza Danvers See fewer	Supergirl (1984)
Brenda Strong Lillian Luthor Lillian Luthor See fewer	Starship Troopers (1997)
Katie McGrath Lena Luthor Lena Luthor See fewer	Jurassic World (2015)
Robert Gant Zor-El Zor-El See fewer	13 Reasons Why (2017)
Byron Brisco Security Guard Security Guard See fewer	I, Robot (2004)
Keisha Haines Human Waitress Human Waitress See fewer	Christmas Takes Flight (2021)
Serge Jaswal Navigator Navigator See fewer	Child's Play (2019)
Marisa Nielsen Cute Alien Cute Alien See fewer	Noelle (2019)
Kirsten Virus Giggles Giggles See fewer	Supergirl (2015)
Josh Hallem Brian Brian See fewer	Window of Opportunity (2023)
Robert Zen Humpage Fish Head Fish Head See fewer	Push (2009)
Erika Walter Cloaked Woman Cloaked Woman See fewer	Arrow (2012)
Laura May Taylor Dive Bar Patron (uncredited) Dive Bar Patron (uncredited) See fewer	Deadpool (2016)