S03E18Person of Interest season 3 episode 18: Allegiance
Aired 25 March 201443 minRated M
Where to watch Person of Interest Season 3 in Australia
Person of Interest season 3 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 “Allegiance”
Finch and Reese must delve into the murky waters of international politics when they are given the number of a former government contractor who is stalking a UN diplomat. Also, an enemy attempts to gain an upper hand on Root.
Episode summary: TMDB.
Before you watch
- It is episode 18 of 23 of season 3, so watch episodes 1 to 17 first.
- It runs about 43 minutes.
- Directed by Jeffrey G. Hunt, written by Tony Camerino.
- TMDB users rate it 8.0 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
- Jeffrey G. Hunt
- Writer
- Tony Camerino
- Guest stars
- John Nolan as John GreerNazneen Contractor as Maria MartinezHaaz Sleiman as Omar RishaMichel Gill as Rene LapointeCasey Biggs as Ken DavisWilliam Abadie as Christoph SavinUsman Ally as Jamal RishaNick Kohn as Prison Guard
Credits: TMDB.
More from Person of Interest Season 3
Every episode of Season 3Person 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.