Portal: The Underground

Optimism Core

Directed by Gleb Lvov
TV-PG
S1 • E8    Jul 18, 2021    6m
7.6
The Interview Core interviews The Optimism Core, who then meets The Mainframe.

Where to Watch Portal: The Underground - S1 • E8

Cast of Optimism Core

  • Harry CallaghanThe Mainframe
  • Lizzie FreemanOptimism Core
  • Greg HolgateInterview Core
  • Sean OxspringEgo Core
  • Andrew WalkerAnthony / Writer / Composer
  • Gleb LvovDirector / Writer

 

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