《甜蜜高谷》是知名导演执导的88集欧美剧电视连续剧，知名明星等明星强势加盟参演Michael Hayashida joined the cast in the middle of the first season, as foreign exchange student Koichi. He stayed until the end of the season, when he disappeared, never to be mentioned again. Patty Gilbert also disappeared without an explanation before the beginning of the second season. Bruce Patman was the only character whose sudden disappearance was actually explained.