 Waylon Payne (qv), who portrays Jerry Lee Lewis (qv) in the film  has a few personal connections to the characters in the film.  Marshall Grant (portrayed by Larry Bagby (qv)), bassist for the  Johnny Cash (I) (qv)s The Tennessee Three (qv), was the one who  discovered the singing talents of Paynes mother,  Sammi Smith (qv). And Waylon Jennings (qv) (portrayed by  real