Lee Dong Min, known professionally as Cha Eun Woo, is a South Korean singer, dancer, actor, model, and member of ASTRO (아스트로). He graduated from Hanlim Arts High School and later obtained a bachelor's degree in Acting from Sungkyunkwan University.

He made his acting debut in 2014 with a minor role in the movie "My Palpitating Life" and later became a brand model.

He was formed through the rookie talent development program "iTeen Boys", which was created by Fantagio (판타지오). In August 2015, the final lineup for the agency's new group was revealed, and he appeared in the web drama "To Be Continued", which aimed to introduce them to the public. They also had concerts around South Korea and garnered a lot of attention even before officially debuting.

He made his debut in February 2016 as ASTRO's vocalist, visual and face of the group with their first EP, "Spring Up". They were quickly labeled as one of the best new K-pop acts of the year by Billboard. However, Fantagio began facing internal issues, and the group released new material, but some were never promoted in any music show, and some lead singles did not have their corresponding MV. They spent much of 2017 traveling as they focused on having concerts and fan meetings around the world, but then had a 14-month hiatus without new material.

Starting in 2021, the members have mostly been promoted as soloists and have been focused on their individual activities. He has appeared in several dramas and also became a regular member of a few variety shows.

He made his debut as a solo artist in February 2024 with the mini-album "Entity".

He enlisted on July 28, 2025.

(Source: kisskh) Edit Biography