役者馬鹿

やくしゃばか

yakushabaka

noun

•

good actor who is inept in all other matters, demon for acting who is utterly indifferent to all other concerns, skilled actor who knows little of life, person who excels in one occupation (profession) but lacks simple common sense(yojijukugo)

Related Kanji

役	duty, war, campaign, drafted labor, office, service, role
者	someone, person
馬	horse
鹿	deer