Soundgarden's Chris Cornell: biopic now in production

Black Days is a forthcoming biopic about Chris Cornell, the lead singer of seminal Seattle band Soundgarden who died of suicide in 2017. Cornell was an incredible talent, as evidenced by his work with Soundgarden and also Audioslave and Temple of the Dog. From Spin:

The [film's barebones] site also states, "from the cast of the Academy Award-winning Walk the Line comes a based on true events story," citing  Johnny Holiday, who played Carl Perkins in Walk the Line, as associated with the Black Days project, presumably in the role of Cornell. AmeriFilms LLC/Road Rage Films will produce the biopic, according to film industry publication Backstage.

That publication's casting page indicates Black Days is looking for actors to play roles including "Young Chris: Male, 12-16;" "Doctor, 61-18;" "Hotel Maid: Female, 18-55;" "Road Manager Male, 25-55″ and other parts, including extras to portray musicians and roadies.