Where to watch Diagnosis: Unknown in the US
Diagnosis: Unknown (1960) is streaming in the US on Amazon Prime Video, Google Play Movies, Fawesome, Cineverse, Tubi TV and Amazon MX Player, included with a subscription.
Watch on Amazon Prime Video
Watch on Google Play Movies
Watch on Fawesome
Watch on Cineverse
Watch on Tubi TV
Watch on Amazon MX Player
Checked November 5, 2026. Streaming included with a subscription only; we don't list rentals or purchases.
- Type
- TV show
- Year
- 1960
- Genre
- Drama, Crime, Documentary
- Seasons
- 1
- Original language
- English
- Created by
- James A. Bank and Alan Woods
- Starring
- Patrick O'Neal, Phyllis Newman, Chester Morris, Martin Huston and Cal Bellini