Steven Yeun was most recently seen in a starring role on an episode of the television series Law & Order: Los Angeles and has guest-starred on an episode of Warehouse 13. Prior to joining the cast of The Walking Dead, Yeun lived in Chicago where he performed with the famed Second City Theatre in various shows with their Touring Company as well as their NCL Boat Company. Other Chicago theatre credits include understudying the Steppenwolf Theatre's production of Kafka on the Shore, understudying the roles of Kafka and Crow. In addition, he was part of several improvisational/sketch comedy groups including Stir Friday Night, Hands and Detective. His additional credits include The Big Bang Theory and the role of Chaz in the independent film My Name is Jerry, as well as commercials for Best Buy, Apple and Milky Way.
Born in Seoul, South Korea and raised in the city of Troy, MI, Yeun began his foray into acting while studying psychology at Kalamazoo College in Kalamazoo, MI. After seeing a performance of the school's improve group, he decided to switch his focus to acting, and following graduation moved to Chicago to study improvisational theatre, eventually having the opportunity to work with Second City. After accomplishing his goals in Chicago he moved to Los Angeles, where he currently resides.