Vault / Si Yeong Si Yeong Acting 1 credits Share X f r w ⧉ Copied! Biography Biography coming soon. Ask the Vault Ask anything about Si Yeong. Ask What are they best known for?What kind of roles do they play?What should I watch them in? Known for Film Buddy's Momas Bae Ji-yeon Full filmography Buddy's Mom (2015) as Bae Ji-yeon