|All Good Things|
|Season 9, Episode 17|
|Crisis||Worldkiller, Part 1|
- Melissa Benoist as Kara Danvers/Supergirl & Red Daughter
- Chyler Leigh as Alex Danvers
- Katie McGrath as Lena Luthor
- Odette Annable as Reign & Samantha Arias
- Olivia Wilde as Susannah Russo
- Tyler Hoechlin as Clark Kent/Superman
- Claire Holt as Karen Starr/Power Girl
- Adelaide Kane as Ava Blackwood (credit only)
- Minka Kelly as Dawn Granger/Dove
- Michael Rosenbaum as Lex Luthor (Earth-30)
- Emmy Rossum as Zaora Dru-Zod
- with Laura Benanti as Astra In-Ze
- Mehcad Brooks as James Olsen/Guardian
- and David Harewood as J'onn J'onzz/Martian Manhunter
Special Guest StarsEdit
- Tasya Teles as Destri Sol-Gud
- Cami Mendez as Ruby Arias
- Wallis Day as Nyssa-Vex
- Scarlett Byrne as Nora Fairchild
- Teressa Liane as Mary Louise Fairchild
- and Sam Witwer as Ben Lockwood
- Antagonists: Reign, Ran-Zod, Soshesa Sal-Im
- Ava does not appear in this episode.
- This episode takes place on August 19, 2024.
- This is Clark's 100th episode.
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