Supergirl

Worlds Finest

E18    Mar 28, 2016    43m    TV-14
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Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home.
Where to Watch Worlds Finest
Cast of Worlds Finest
  • Melissa BenoistKara Danvers / Supergirl / Kara Zor-El
  • Chyler LeighAlex Danvers / Sentinel
  • David HarewoodJ'onn J'onzz / Martian Manhunter
  • Jeremy JordanWinn Schott
  • Calista FlockhartCat Grant
  • Mehcad BrooksJames 'Jimmy' Olsen / Guardian
  • Jenna DewanLucy Lane
  • Chris VanceNon
  • Brit MorganLeslie Willis / Livewire
  • Harriet Sansom HarrisSinead
  • Grant GustinBarry Allen / The Flash
  • Christopher ShowermanTor
  • Italia RicciSiobhan Smythe / Silver Banshee
  • Jay JacksonNews Anchor
  • Sarah RobsonDr. Amelia Hamilton
  • Dan WarnerFire Chief
  • Dawn GreenidgePedestrian Woman

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