The cast of characters behind “The Godfather”’s success was nothing if not eclectic, from down-and-out Hollywood legends to ascendant show business superstars. Yet somehow, fifty years after its release—against all odds—the film remains in a league of its own for its evocation of the American dream, and for kickstarting a cultural fascination with the Mafia that endures today. On the tenth and final episode of “Leave the Gun, Take the Cannoli,” Mark and Nathan reflect on the lasting legacy of the movie, and how it impacted the lives of those like Evans, who considered the film his crowning achievement.