Jason Tam

Jason Tam as Markko Rivera

Geraldo "Markko" Rivera is a fictional character on the ABC daytime soap opera One Life to Live.

Actor History:Edit

  • Jason Tam (05/2007-11/2010, 04/2011, 07/2011 & 01/2012)

Family and relationships:Edit


  • Ernesto Rivera (father)
  • Aurelia Rivera (mother)


  • Unknown woman (sister)
  • Unknown woman (sister)

Martial status:Edit

Past marriage(s):Edit

  • None/unknown


  • None/unknown

Other relatives:Edit

  • None/unknown

Flings and relationships:Edit

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