- as Kara Zor-El / Kara Danvers / Supergirl
- as Maxwell Lord
- as James Olsen
- as Alura Zor-El / Astra
- as Alex Danvers
- as Agent Donovan
- as Winslow "Winn" Schott, Jr.
- as Jemm
- as Hank Henshaw / Martian Manhunter
- as Looter
- as Cat Grant
- as Store Owner
- as Agent Reynolds
- as Reporter
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Watch "Supergirl > Human for a Day":