Kim Bo-yeon graduated from Anyang High School of Arts, and on the principal’s recommendation, she was cast in her acting debut, the film A Season of Blooming Love in 1974, followed by the television drama 제3교실 in 1975. As a supporting actress in 1976’s “Really Really” series (Never Forget Me, I Am Really Sorry), she and costars Im Ye-jin and Lee Deok-hwa emerged as popular teen stars of the 1970s. Kim further rose to stardom in her role of a high school girl with a brain tumor in Kim Soo-hyun’s drama You in 1977.