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The 100 - Season 3 - Rhiannon Fish Cast in a Recurring Role

“Home and Away” actress to play new Grounder character on post-apocalyptic drama.

“Home and Away” actress Rhiannon Fish has joined The CW’s post-apocalyptic drama “The 100” in a recurring capacity, TheWrap has learned.

Fish will play a new character named Ontari, who is described as a young warrior grounder. Trained since birth, she is skilled in deception and she is fiercely loyal to her people.