At this point in the rankings, Mark Ruffalo versus Nicole Kidman is best read as a compact career snapshot rather than an all-time verdict. The biggest-hit category sharpens the box office contrast, especially because Mark Ruffalo's leading film creates the stronger single-release benchmark.

Commercial scale is another meaningful divider, with the career domestic box office measure giving Mark Ruffalo the larger theatrical footprint. Based on the available ranking data, the balance leans toward Mark Ruffalo without turning the result into a subjective judgment of acting quality.