Official Description by The CW for Supergirl 3.18: “When Reign starts hunting Ruby, Supergirl and Alex work together to keep her safe. Supergirl and J’onn look to Sam’s mother (guest star Betty Buckley) for advice on how to stop Reign and come away with some shocking news. Guest Stars include Chris Wood (Mon-El), Amy Jackson (Imra Ardeen/Saturn Girl), Jesse Rath (Querl Dox/Brainiac-5), Carl Lumbly (Myr’nn), Emma Tremblay (Ruby Arias), Cynthia Stevenson (Mrs. Queller), Nesta Cooper (Tanya), Emily Haine (Woman), and Conor Stinson O’Gorman (Man).”
Supergirl stars Melissa Benoist (Kara Danvers/Supergirl), Chyler Leigh (Alex Danvers), Mehcad Brooks (James Olsen), David Harewood (Hank Henshaw/Martian Manhunter), Jeremy Jordan (Winslow “Winn” Schott), Katie McGrath (Lena Luthor), and Odette Annable (Samantha Arias/Reign). STORY BY: Robert Rovner. WRITTEN BY: Lindsay Gelfand and Allison Weintraub. DIRECTED BY: Antonio Negret.
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