Directed by Eric Dean Seaton Written by Jerry Siegel   Joe Shuster   Greg Berlanti   Ali Adler   Andrew Kreisberg   Lindsay Sturman   J. Holtham   Katie Rose Rogers   Jessica Kardos   Nicki Holcomb   Cast Melissa Benoist ... Kara Danvers / Supergirl Mehcad Brooks ... James Olsen / Guardian Chyler Leigh ... Alex Danvers Katie McGrath ... Lena Luthor Jesse Rath ... Querl Dox / Brainiac-5 Nicole Maines ... Nia Nal Azie Tesfai ... Kelly Olsen Andrea Brooks ... Eve Teschmacher Julie Gonzalo ... Andrea Rojas Staz Nair ... William Dey David Harewood ... J'onn J'onzz Sean Astin ... Pete Andrews Carl Lumbly ... M'yrnn J'onzz Brea St. James ... Caroline O'Conner Marcus Aurelio Jr. ... Martian Boy #3 Cassandra Cavalli ... Counter Lady Youqi Dong ... Coffe Cart Barista (as Hunter Dong) Ava Frica ... Martian Child #4 Marcello Guedes ... Young Malefic Eric Gustafsson ... Receptionist Babak Haleky ... Janitor Sean Hewlett ... Franklin Balinder Johal ... Old Lady Larry MacDonald ... Strange Man Marc-Anthony Massiah ... Dr. Andrew Stern Malcolm Masters ... Dr. Niles Jarrod Ethan Matute ... Martian Child #2 Antonio Ndala ... Young J'onn Dominique Robinson ... Young Adult Malefic Sasha Rojen ... Martian Child #1 Uncredited Cast Jamie Jarvis ... Passerby Produced by Daniel Beaty   Greg Berlanti   Jay Faerber   Saray D. Guidetti   J. Holtham   Dana Horgan   Jennifer Lence   Carl Ogawa   Chris Pavoni   Jessica Queller   Daphne Raves   Robert L. Rovner   Sarah Schechter   Derek Simon   Lindsay Sturman   Jesse Warn   Joanie L. Woehler   Rob Wright   Original Music by Daniel James Chan Blake Neely

Additional Info Premiere: October 20, 2019 DVD Release: September 08, 2020 Blu-ray Release: September 08, 2020 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 #1,390 / 20,725 Site Ranking