noun
role preparation; studying for a role
Refers to the process of researching, practicing, and developing a character for a performance, such as in theater, film, or television.
彼は新しい映画のために役作りに励んでいる。
He is working hard on preparing for his role in the new movie.
役作りのために、実際の警察官に話を聞いた。
For role preparation, I interviewed actual police officers.