Depp started to study acting in earnest, first in classes at the Loft Studio in Los Angeles and then with a private coach. The lessons paid off in 1987, when he replaced actor Jeff Yagher in the role of undercover cop Tommy Hanson in the popular Canadian-filmed television series 21 Jump Street. The role thrust Depp into almost immediate stardom. He became a teen idol overnight; a title that he greatly resented. When his contract on Jump Street expired in 1989, he leapt at the opportunity to pursue weightier roles.