|Season 7, Episode 15|
WHAT MEASURE IS A LIVING BEING?- The Last Children are called to Washington to testify concerning the Assault on New Kandor. Alex learns more about Red Daughter. J'onn J'onzz comes clean to Kara about a secret he has been keeping.
- Melissa Benoist as Kara Danvers & Red Daughter
- Chyler Leigh as Alex Danvers
- Katie McGrath as Lena Luthor
- Odette Annable as Samantha Arias
- Tyler Hoechlin as Clark Kent
- Olivia Wilde as Susannah Russo
- Jenna Dewan as Lucy Lane
- Minka Kelly as Dawn Granger
- Claire Holt as Karen Starr
- Michael Rosenbaum as President Lex Luthor (Earth-30) & LX-52
- with Emmy Rossum as Zaora Dru-Zod
- David Harewood as J'onn J'onzz
- and Mehcad Brooks as James Olsen
Special Guest Stars
- Dianna Agron as Major Raya Dru-Zod
- Yael Groblas as Psi
- Brit Morgan as Livewire
- Brenda Strong as Lillian Luthor
- Daniel Sharman as General Lor-Zod
- Tasya Teles as Destri Sol-Gud
- Andrea Brooks as Eve Teschmacher
- Lili Reinhart as Sub-Commander Aethryr
- Esme Bianco as Elsala Sym-Ro
- Wallis Day as Chief Magistrate Nyssa-Vex
- with Naomi Scott as DOC Director Lorraine Luthor-Irons
- and Sam Witwer as Ben Lockwood
- Antagonist: Lillian Luthor
- The entire episode takes place in Washington, D.C.
- This episode takes place on June 11, 2023.
Community content is available under CC-BY-SA unless otherwise noted.