Cho Kyu-hyun (born February 3, 1988), referred to as Kyuhyun, is a South Korean singer, musical theatre actor and television host. He debuted as a new member of boy group Super Junior (and later its sub-groups Super Junior-K.R.Y. and Super Junior-M as well as former member of SM Entertainment project group SM the Ballad) in May 2006. Apart from his group's activities, he has established himself as a musical actor, notably through his participation in the original and Korean versions of stage musicals including The Three Musketeers, Catch Me If You Can, Moon Embracing the Sun, Singin' in the Rain, The Days, Robin Hood, Werther, Mozart!, and The Man Who Laughs. He also cast in television show including Radio Star, We Got Married, Mamma Mia, Fluttering India and in the third, fourth, seventh,