Yes.
Though it may be less then fruitful these days.
Likely limits on cached file size. Not all files are cached individually (some are lumped together in a _CACHE_00X_ file). The (Mozilla) /Cache/ directory tree is horrendous (IMO). Some files may be cached in the IE TIF directory structure.
Nirsoft has some Web Browser Tools that could help.
As could a targeted search (on the /Cache/ directory, sorted by date) using Everything search engine.
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.19) Gecko/20110420 SeaMonkey/2.0.14 Pinball NoScript FlashGot AdblockPlus
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:14.0) Gecko/20120521 Firefox/14.0a2 SeaMonkey/2.11a2
(At this point, the thread evolved into a general discussion of copyright laws and ethics, which was split to Forum Extras > Ragnarök, at a topic entitled "Copyright law and ethics discussion".)