Watch it online via Internet Archive, which I sometimes have trouble getting to load, or via Youtube:
Moria notes its faithfulness to the Stevenson story but calls it "possibly overrated". 1000 Misspent Hours claims "the Barrymore Dr. Jekyll and Mr. Hyde doesn’t fall too far short of deserving the epithet that I have frequently heard applied to it: the first great American horror film." Weird Wild Realm pans it, saying
Were the 1920 silent version of Dr. Jekyll & Mr. Hyde the only thing a viewer knew of Barrymore's acting, he would be mistaken for a clownishly overacting fool in a piss-poor halloween costume dashed together by his blind granny.11/28/2007: FilmFanatic has a review.
The adaptation is a rough outline devoid of depth, devoid of visual charm, & of specialized interest only.