 Gayoung had gained attention for her appearance on the Viewers' Tour episode of "1 Night 2 Days" and had been cast in the drama series "Poseidon" alongside Top Class Entertainment operator and Shinhwa member Eric Mun.The series was set to air on the SBS network until production halted following the November 2010 Yeonpyeong bombardment incident.The roles were subsequently recast when production was greenlit by KBS a year later.