Nick Nolte is coming aboard helmer Victor Salva’s indie “Peaceful Warrior,” a bigscreen adaptation of Dan Millman’s bestselling autobiography published in 1980.Scott Mechlowicz (“Eurotrip”) and Amy Smart (“The Butterfly Effect”) star in the story of a college student training to be an Olympic gymnast whose life is changed when he meets a mysterious mentor (Nolte). Thesps Agnes Bruckner, Ashton Holmes and Paul Wesley also have signed on. Sobini Films and Blockbuster subsid DEJ Prods. are producing the pic Inferno Distribution is handling overseas rights. Sobini’s Mark Amin, Robin Schorr and Cami Winikoff are producing, along with David Welch. Kevin Bernhardt, Anthony DiPietro and Bob Dolman penned the screenplay. Production starts this week in Los Angeles.