I dug around a few streaming sites and did some cross-checking, and here's a clear route to watch 'The Devil in Disguise' without pulling your hair out.
If you want the quickest route, check the major transactional stores first: Amazon Prime Video (rent or buy), Apple TV/iTunes, Google Play/YouTube Movies, and Vudu often carry films that aren’t on subscription services. I usually rent there when I want instant, good-quality playback and subtitles. For a no-cost option, look at ad-supported services like Tubi or Pluto TV — they rotate titles a lot, so 'The Devil in Disguise' often pops up there at different times.
If you prefer subscription channels, it’s worth scanning Netflix, Hulu, HBO Max (Max), and the Criterion Channel depending on your region — sometimes the film shows up as a limited-time stream. Don’t forget library-backed platforms like Kanopy or Hoopla: I snagged a surprising classic through my local library's Kanopy access once. One final tip: aggregator sites like JustWatch or Reelgood tell you where something’s streaming in your country, which saves a ton of time. Happy watching — that twisty finale stuck with me for days.