Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Michael J. Fox akanga ari wokutanga kusarudza kutamba Marty McFly, asi akanga akazvipira kuratidzwa Family Ties. Mugadziri weFamily Ties Gary David Goldberg akanzwa kuti Fox yaive yakakosha pakubudirira kwechiratidziro. Nemutambi wenhau Meredith Baxter ari pazororo rokubereka, akaramba kubvumira Fox nguva yokuzorora kuti ashande pafirimu. Kudzokera kuRamangwana pakutanga kwakarongerwa kuburitswa muna Chivabvu 1985 uye yaive mukupera kwa1984 payakadzidza kuti Fox haizokwanise kutamba mufirimu. Zemeckis akasarudza C. Thomas Howell naEric Stoltz. Stoltz akafadza vagadziri zvakakwana nekuratidzwa kwake kwekare kwaRoy L. Dennis mu Mask (iyo yakanga isati yaburitswa) kuti vakamusarudza kuti atambe Marty McFly. Nemhaka yebasa rakaoma rokutamba, zuva rokutanga rakadzoserwa kumashure kaviri. Mavhiki mana mumutambo, Zemeckis akafunga kuti Stoltz akanga akanganisa. Kunyange zvazvo iye naSpielberg vakaziva kuti kupfurazve firimu kwaizowedzera mamiriyoni matatu emadhora kumadhora emamiriyoni gumi nemana emadhora, vakasarudza kudzokorora. Spielberg akatsanangura kuti Zemeckis akanzwa kuti Stoltz akanga asina kuseka zvakakwana uye akapa "kutamba kunoshamisa". Gale akatsanangurazve kuti vaifunga kuti Stoltz aingoita basa racho, nepo Fox pachake aiva nounhu hwakafanana naMarty McFly. Akanzwa kuti Stoltz akanga asingafari kuchovha skateboard, nepo Fox akanga asiri. Stoltz akareurura kumutungamiriri Peter Bogdanovich panguva yekufona, mavhiki maviri mukupfura, kuti aive asina chokwadi nezvekutungamira kwaZemeckis naGale, uye akabvuma kuti aive asiri iye akakodzera kuita basa iri. Purogiramu yeFox yakavhurwa muna Ndira 1985 apo Baxter akadzokera kuFamily Ties zvichitevera nhumbu yake. The Back to the Future crew yakasangana naGoldberg zvakare, uyo akaita chibvumirano chokuti chinonyanya kukosha cheFox chaizova Family Ties, uye kana kukakavadzana kwepurogiramu kukaitika, "tinokunda". Fox akafarira script uye akafadzwa neZemeckis naGale's sensitivity mukusunungura Stoltz, nekuti zvakadaro "vakataura zvakanaka nezvake". Per Welinder naBob Schmelzer vakabatsira pazviitiko zve skateboarding. Fox akawana mufananidzo wake waMarty McFly kuva womunhu oga zvikuru. "Zvose zvandakaita muchikoro chapamusoro zvakanga zviri...  Mubvunzo: Fox aiva nounhu hwakaita sei?
Marty McFly