Discover
A shocking revelation causes chaos in National City. Supergirl (Melissa Benoist) sets out to capture Mercy Graves (guest star Rhona Mitra), while Alex (Chyler Leigh) takes control at the DEO.
Original Release
10/21/2018
Cast
| Name | Character |
|---|
| Melissa Benoist | Kara Danvers / Supergirl / Kara Zor-El |
| Mehcad Brooks | James Olsen / James 'Jimmy' Olsen / Guardian |
| Chyler Leigh | Alex Danvers / Sentinel |
| Katie McGrath | Lena Luthor |
| Jesse Rath | Querl Dox / Brainiac-5 / Querl 'Brainy' Dox |
| Sam Witwer | Agent Liberty / Ben Lockwood |
| Nicole Maines | Nia Nal / Dreamer |
| David Harewood | J'onn J'onzz / Martian Manhunter |
| Lynda Carter | President Olivia Marsdin |
| Bruce Boxleitner | President Baker |
Directors
Writers
Ali Adler, Andrew Kreisberg, Daniel Beaty, Eric Carrasco, Aadrita Mukerji, Katie Rose Rogers, Jessica Kardos, Dana Horgan, Greg Berlanti, Maria Maggenti
Creators
Cast
| Name | Character |
|---|
| Melissa Benoist | Kara Danvers / Supergirl / Kara Zor-El |
| Mehcad Brooks | James Olsen / James 'Jimmy' Olsen / Guardian |
| Chyler Leigh | Alex Danvers / Sentinel |
| Katie McGrath | Lena Luthor |
| Jesse Rath | Querl Dox / Brainiac-5 / Querl 'Brainy' Dox |
| Sam Witwer | Agent Liberty / Ben Lockwood |
| Nicole Maines | Nia Nal / Dreamer |
| David Harewood | J'onn J'onzz / Martian Manhunter |
| Lynda Carter | President Olivia Marsdin |
| Bruce Boxleitner | President Baker |
| Rhona Mitra | Mercy Graves |
| Robert Baker | Otis Graves |
| Andrea Brooks | Eve Teschmacher |
| Anthony Konechny | Raymond Jensen |
| Fulvio Cecere | Massimo |
| Ese Atawo | Counter Protestor |
| Keith Dallas | Al |
| David Patrick Green | Angry Protestor |
| Sean Hewlett | Franklin |
| James Kot | DEO Agent Two |
Producers
| Name | Role |
|---|
| Greg Berlanti | Executive Producer |
| Maria Maggenti | Executive Producer |
| Robert L. Rovner | Executive Producer |
| Sarah Schechter | Executive Producer |
| Rob Wright | Executive Producer |
| Paula Yoo | Executive Producer |
| Dana Horgan | Producer |
| Jennifer Lence | Producer |
| Gabriel Llanas | Producer |
| Carl Ogawa | Producer |
| Caitlin Parrish | Producer |
| Chris Pavoni | Producer |
| Derek Simon | Producer |
| Jesse Warn | Producer |
| Joanie L. Woehler | Producer |
