I had a couple of different roles I could have put Luke in,Tarantino recently told EW.

Luke was like, I want to be on the Western show!

Because hes just a really great rider and he loves doing Westerns.

Leonardo DiCaprio; Luke Perry

Credit: Jon Kopaloff/FilmMagic; Gabriel Olsen/FilmMagic

DiCaprio shares a lengthy scene with Perry inOnce Upon a Time in Hollywood.

I was immediately struck by his kindness, said theDjango UnchainedandInceptionactor.

And I felt this overwhelming feeling of being star-struck.

When I heard that news it was really heartbreaking.

Watch the trailer forOnce Upon a Time in Hollywoodbelow.