Official Description by The CW for Supergirl 5.18: “Supergirl and the team go head to head against Rama Khan and Leviathan. Meanwhile, Lena and Lex must join forces when Project Non Nocere fails, leaving the two siblings in serious danger. Guest Stars include Jon Cryer (Lex Luthor), Sean Astin (Pete Andrews), Cara Buono (Gamemnae), Willie Garson (Steve Lomeli), Sharon Leal (M’gann M’orzz), Donna Benedicto (Agent Reiff), Mitch Pileggi (Rama Khan), Dustin Brooks (Stunt Prisoner #1), Demord Dann (Prison Guard), Dave Ferguson (Bearded Prisoner), and Michael Jonsson (Klaus).”
Supergirl stars Melissa Benoist (Kara Danvers/Supergirl), Chyler Leigh (Alex Danvers), David Harewood (Hank Henshaw/Martian Manhunter), Jesse Rath (Querl Dox/Brainiac-5), Katie McGrath (Lena Luthor), Nicole Maines (Nia Nal), Andrea Brooks (Eve Tessmacher), Julie Gonzalo (Andrea Rojas/Acrata), and Staz Nair (William Dey). WRITTEN BY: Dana Horgan and J. Holtham. DIRECTED BY: Avi Youabian.
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