United Kingdom, Jan. 16 -- Ozzy Osbourne's family has picked a "phenomenal actor" to play the late rocker in a new biopic.

A film about the Black Sabbath's star life has been in the works for many years and it's moving ahead following Ozzy's death last summer and his son Jack has now revealed they've already chosen a leading man and a director.

During an appearance on SiriusXM show Influenced, Jack explained: "We have our decided pick, and I can't say anything [yet], but it's a phenomenal, phenomenal actor. We have a director attached, and we're doing a rewrite right now."

Host Billy Morrison added Ozzy would "get a kick out of" having a movie made about his life and Jack replied: "Oh, he would. And all he kept saying - I'd give him up...