Passage: Pakutanga yakanyorwa se script script naMichael Blake, haina kutengeswa pakati pemakore ekuma1980. Zvisinei, Kevin Costner aive nyeredzi mufirimu yaBlake yekare, Stacy's Knights (1983), uye akakurudzira Blake kutanga kwa1986 kuti ashandure script yekumadokero kuita novel kuti ivandudze mikana yayo yekugadzirwa.
Michael Blake