Melissa Benoist stars as Kara, and is joined by principal cast members Chyler Leigh, Katie McGrath, Jesse Rath, Nicole Maines, Azie Tesfai, Julie Gonzalo, Peta Sergeant and David Harewood.

Several former series regulars make guest appearances, including Mehcad Brooks, Chris Wood, Jeremy Jordan, and Calista Flockhart.

In a last-ditch effort to counteract the effects of the battle between Lex Luthor and Nyxly, Kara Danvers / Supergirl delivers a speech to the people of humanity and they reclaim their power.

Nyxly and Lex summon an army made up of manifestation of previous enemies from the show including Overgirl, Red Tornado, Metallo, Parasite, the Hell Dragon, and the Nightmare Monster.

However, due to the fact that they feed on fear and their supposed victims stand strong, the Phantoms instead target Lex and Nyxly.

[3][4] Main cast members Melissa Benoist, Chyler Leigh, Katie McGrath, Jesse Rath, Nicole Maines, Azie Tesfai, Julie Gonzalo, Peta Sergeant and David Harewood appear as Kara Danvers / Supergirl, Alex Danvers / Sentinel, Lena Luthor, Querl Dox / Brainiac 5, Nia Nal, Kelly Olsen, Andrea Rojas / Acrata, Nyxly and J'onn J'onzz / Martian Manhunter.

[5][6] Former regulars Mehcad Brooks, Chris Wood, Jeremy Jordan and Calista Flockhart guest star as Jimmy Olsen, Mon-El, Winn Schott and Cat Grant.

[9] The additional guest cast includes Jon Cryer as Lex Luthor, Brenda Strong as Lillian Luthor, Helen Slater as Eliza Danvers, Matt Baram as Mitch, Mila Jones as Esme, Jhaleil Swaby as Orlando Davis and Crystal Balint as Secretary Brown.

[14] Amelia Emberwing of IGN gave the episode a rating of 9 out of 10, saying despite the lack of action, "it ends on the exact note it was always meant to.