Chai Hansen portrayed Ilian on The CW's The 100. He was part of the recurring cast in Season Four.

Life and Career

Hansen was born on Koh Samui, a tiny island off the East Coast of Thailand. He relocated with his mother Sandra Hansen and his younger sister Sarah Romruen to Queensland, Australia at the age of seven. Hansen completed his HSC in 2007. He went on to win a scholarship in performing arts and finished the Diploma in 2011. In 2012, Hansen got the role of Zac Blakely in the series Mako Mermaids, his first ever lead in a television series.

Notes and Trivia

  • Earlier in his career, he used the his father's last name, "Romruen". He switched to using his mother's last name, "Hansen", in 2016.[1][2] The 100 is the first time he was credited under his new name.[3]
  • He and writer/producer Justine Juel Gillmer both worked on Mako Mermaids.
  • Himself, Lola Flanery and Shannon Kook had roles in Shadowhunters: The Mortal Instruments.
  • He played Monkey in The New Legends of Monkey



Community content is available under CC-BY-SA unless otherwise noted.