Once deemed the highest-grossing actor of all time, Harrison Ford almost languished in thankless walk-on roles when he began his career in the early 1960s. Instead of accepting any role that came along, Ford was picky about his choices right from the start, despite a severe lack of Hollywood clout. While he made ends meet as a carpenter, Ford patiently pursued his career, even turning down several roles over the objections of his manager. But his persistence paid off with a memorable supporting role in “American Graffiti” (1973), George Lucas’ 1960s coming-of-age tale. His struggle continued