Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Leonardo DiCaprio a matsayin Jack Dawson: Cameron ya ce yana buƙatar 'yan wasan su ji kamar suna cikin Titanic, don sake farfado da rayuwarta, da kuma "dauke wannan kuzari kuma ya ba Jack,... wani mai zane wanda zai iya sa zuciyarsa ta tashi. " An nuna Jack a matsayin matalauci, maraya maraya daga Chippewa Falls, Wisconsin, wanda ya yi yawon shakatawa a wurare da dama a duniya, ciki har da Paris. Ya ci tikiti biyu a kan RMS Titanic a wasan karta kuma ya yi tafiya a matsayin fasinja na uku tare da abokinsa Fabrizio. Yana da sha'awar Rose a farkon gani kuma ya sadu da ita lokacin da ta yi la'akari da jefa kanta daga baya na jirgin. "Ladar" da angonta ya ba ta, gayyatar cin abinci tare da su washegari da yamma, ya sa Jack ya kwana tare da fasinjojin ajin farko. A lokacin da aka ba da rawar, an yi la'akari da 'yan wasan kwaikwayo daban-daban, ciki har da Matthew McConaughey, Chris O'Donnell, Billy Crudup, da Stephen Dorff, amma Cameron ya ji cewa wasu' yan wasan kwaikwayo sun tsufa don rawar da ke da shekaru 20. Tom Cruise yana da sha'awar nuna halayyar, amma farashin da yake nema ya yi yawa ga ɗakin studio don la'akari. Cameron ya yi la'akari da Jared Leto don rawar, amma Leto ya ƙi yin gwaji. Jeremy Sisto ya yi gwaji kuma an yi fim a cikin jerin gwaje-gwajen allo tare da Winslet da wasu 'yan mata uku da ke fafatawa don rawar Rose. DiCaprio, mai shekaru 21 a lokacin, ya jawo hankalin Cameron ne daga darektan wasan kwaikwayo Mali Finn. Da farko, bai so ya nuna halin ba kuma ya ƙi karanta yanayin soyayyarsa ta farko a kan saiti (duba ƙasa). Cameron ya ce, "Ya karanta shi sau ɗaya, sa'an nan kuma ya fara yin wasa, kuma ba zan iya sa shi ya mayar da hankali a kan shi ba. Amma na ɗan lokaci, wani haske ya sauko daga sama kuma ya haskaka dajin". Cameron ya yi imani sosai da ikon wasan kwaikwayon DiCaprio kuma ya gaya masa, "Duba, ba zan sa wannan mutumin ya zama mai tunani da damuwa ba. Ba zan ba shi wani tic da kuma wani gurgu da dukan abubuwan da ka ke so. " Cameron ya fi tunanin halin a matsayin nau'in James Stewart. Ko da yake Jack Dawson ya kasance...  Tambaya: Shekaru nawa DiCaprio ya kasance lokacin da yake Cameron
Shekaru 21 da haihuwa