Lee Byung-hun may portray a boxer for his next role, attempting another radical transformation in his prolific acting career.

Though he has yet to officially sign on, Lee is working out the specifics to star in Choi Sung-hyun’s “Only That is My World” (unofficial title) for his next project, a local entertainment outlet reported Wednesday.

Lee will be playing bygone boxer Jo-ha whose younger brother Jin-tae is a piano virtuoso. The film will tell a story of reconciliation between the brothers and their complicated mother, In-sook. Reports are speculating whether the film could become the Korean equivalent to “Rain Man,” Barry Levinson’s highly praised 1988 film about an abrasive older brother and his autistic sibling. 

The film will be produced by JK Film and distributed by CJ Entertainment.

Lee has several movies lined up for the upcoming months. He stars in political thriller “Master,” set to open locally on Dec. 21. He has finished filming “Single Rider” (unofficial title), directed by Lee Joo-young, and is currently filming “Namhansanseong” (unofficial title), which is directed by Hwang Dong-hyuk.

By Rumy Doo (doo@heraldcorp.com)