S02E17Person of Interest season 2 episode 17: Proteus
Aired 7 March 201343 minRated M
Where to watch Person of Interest Season 2 in Australia
Person of Interest season 2 is streaming in Australia on Netflix (subscription). You can also buy it on Apple TV from $29.99 and Prime Video Store from $29.99.
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Availability checked 16 November 2026.
What happens in “Proteus”
As Finch and Reese try to protect six people simultaneously, clues lead them to a coastal town; when a storm forces Finch and Reese to seek shelter in a police station with a group of locals, they realize a killer may be in their midst.
Episode summary: TMDB.
Before you watch
- It is episode 17 of 22 of season 2, so watch episodes 1 to 16 first.
- It runs about 43 minutes.
- Directed by Kenneth Fink, written by Sean Hennen.
- TMDB users rate it 8.1 out of 10 (34 votes).
Person of Interest trailer
The official trailer for the series (no preview of this episode has been published).
Play video: Person of Interest trailer
Cast and crew of this episode
- Director
- Kenneth Fink
- Writer
- Sean Hennen
- Guest stars
- Sterling K. Brown as Cal BeecherBrian Hutchison as Brian MossLuke Macfarlane as Alan FaheyBecky Ann Baker as Erica SchmidtDan Lauria as Stanley AmisCindy Katz as Vicki WinterDennis Flanagan as Victor EngquistJames Andrew O'Connor as Ethan Mattson
Credits: TMDB.
More from Person of Interest Season 2
Every episode of Season 2Person of Interest episode guide
Episode names, air dates, runtimes, stills and ratings: TMDB. Air dates are the first broadcast anywhere; where it streams is our daily Australian check.