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Medusa is the eighth episode of the second season of Supergirl, and the twenty-eighth episode overall.
Starring: Melissa Benoist (Kara Zor-El / Kara Danvers / Supergirl), Mehcad Brooks (James Olsen / Guardian), Chyler Leigh (Alexandra "Alex" Danvers), Jeremy Jordan (Winslow "Wynn" Schott), Floriana Lima (Detective Maggie Sawyer)
Co-Starring: Byron Brisco (Security Guard), Keisha Haines (Human Waitress), Serge Jaswal (Navigator), Marisa Nielson (Cute Alien), Kirsten Virus (Giggles), Josh Hallem (Brian), Robert Zen Humpage (Fish Head), Erika Walter (Female)