Threshold (1981): cast, story & where to watch
1981 · Film · ★ 5.3

Released in 1981, Threshold is a drama and science fiction film directed by Richard Pearce, running about 97 minutes.
What it’s about. Celebrated heart surgeon Thomas Vrain supports the research of an offbeat scientist who has invented an artificial heart. Against the advice of the Ethics Committee, Dr. Vrain decides to perform the first artificial heart transplant.
Who’s in it. Threshold stars Donald Sutherland as Dr. Thomas Vrain, John Marley as Edgar Fine, Sharon Acker as Tilla Vrain and Mare Winningham as Carol Severance, among others.
How it landed. With an audience score of 5.3/10, Threshold has proved divisive with audiences.
Where to watch. Streaming options change often. See the full, country-by-country breakdown on our where to watch Threshold page.
If you liked it. Fans of Threshold tend to enjoy The Shawshank Redemption, The Godfather, Schindler's List and The Godfather Part II.
Frequently asked
- Where can I watch Threshold (1981)?
- Streaming, rental and purchase options for Threshold change frequently. Check our where-to-watch page for the latest availability in your country.
- Is Threshold worth watching?
- Threshold holds an audience score of 5.3 out of 10, and is a strong pick if you enjoy drama and science fiction. Reactions are mixed, so it may depend on taste.
- Who stars in Threshold?
- Threshold stars Donald Sutherland, John Marley, Sharon Acker, Mare Winningham and Jeff Goldblum.
- When was Threshold released?
- Threshold was released in 1981, with a runtime of about 97 minutes.