O.K. K.O Let’s Be Heroes Season 3 is an all new 3rd season of Cartoon Network’s hit newest animated series and also got many all new surprises and new guests old and new.


Teaser of the Season 3 of O.K. K.O.


  • Courtenay Taylor as K.O.
  • Ian Jones-Quartey as Radicles and Darrell Boxman
  • Ashley Burch as Enid
  • Dave Herman as Mr. Gar
  • Kate Flannery as Carol
  • Jim Cummings as Lord Boxman/Boxman Sr.
  • Kevin Thoms as Drake Boxman
  • Melissa Fahn as Dendy
  • Lara Jill Miller as Fink
  • Steven Ogg as Professor Venomous, Shadowy Figure
  • Skip Stellrecht as Professor StoneMaz ‘Acreson’ Goyle
  • TBA as Cosma
  • TBA as Billiam Milliam
  • Kari Wahlgren as Vormulax
  • TBA as The Big Big Boss
  • TBA as Nemana
  • TBA as Glendia Blitz



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