Directed by Mairzee Almas   Written by Jerry Siegel   Joe Shuster   Greg Berlanti   Ali Adler   Andrew Kreisberg   Paula Yoo   Eric Carrasco   Derek Simon   Anna Musky-Goldwyn   Cast Melissa Benoist ... Kara Danvers / Supergirl Mehcad Brooks ... James Olsen / Guardian Chyler Leigh ... Alex Danvers Jeremy Jordan ... Winn Schott Katie McGrath ... Lena Luthor Odette Annable ... Samantha Arias / Reign Chris Wood ... Mon-El David Harewood ... J'onn J'onzz Carl Lumbly ... M'yrnn J'onzz Chad Lowe ... Thomas Coville Emma Tremblay ... Ruby Arias Sofia Vassilieva ... Olivia Nesta Cooper ... Tanya Andrea Brooks ... Eve Teschmacher Nickolas Baric ... Acolyte #2 Ryan McNeill Bolton ... Cop Bryan Demore ... Security Guard Darren E. Scott ... Acolyte Shayn Walker ... Police Officer Uncredited Cast Peter Brown ... Cult Member Produced by Greg Berlanti   Jennifer Lence   Gabriel Llanas   Carl Ogawa   Caitlin Parrish   Chris Pavoni   Jessica Queller   Daphne Raves   Robert L. Rovner   Sarah Schechter   Jesse Warn   Joanie L. Woehler   Paula Yoo   Original Music by Daniel James Chan   Blake Neely

Additional Info Premiere: May 21, 2018 DVD Release: September 18, 2018 Blu-ray Release: September 18, 2018 Country: Distributor: Warner Brother Studios Websites: Production Companies Berlanti Productions Warner Bros. Television Distributors CBS   (2015-2016) (USA) (TV) (season 1) The CW Network (The CW)   (2016-) (USA) (TV) (season 2-) HBO Max   (2020) (USA) (video) (VOD) Studio Distribution Services (SDS)   (2021-2022) (USA) (Blu-ray) (through) Studio Distribution Services (SDS)   (2021-2022) (USA) (DVD) (through) Warner Bros. Home Entertainment   (2017-2022) (USA) (Blu-ray) Warner Bros. Home Entertainment   (2017-2022) (USA) (DVD) Warner Home Video   (2016-2022) (USA) (Blu-ray) Warner Home Video   (2016-2022) (USA) (DVD) Rating Stats Overall Rating -- / 10 Our Rating -- / 10 Your Friends -- / 10 Male Users -- / 10 Female Users -- / 10 Site Ranking #1,391 / 20,934 Site Ranking