Person of Interest Lethe (Season 3, Episode 11)
TV-14
TV Episode | 44 min | Action, Crime, Drama

Person of Interest

Lethe (Season 3, Episode 11)

TV-14

TV Episode | 44 min | Action, Crime, Drama

Flashbacks to Finch's adolescence provide insight into his creation of The Machine. Also, the team receives the number of an already dying man, and Reese leaves the POI team behind in the aftermath of the war with the crime organization.

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Cast	+ Add Cast
20 cast members

Name	Known for
Jim Caviezel John Reese John Reese See fewer	The Passion of the Christ (2004)
Kevin Chapman Detective Lionel Fusco Detective Lionel Fusco See fewer	CODA (2021)
Amy Acker Root Root See fewer	Angel (1999)
Sarah Shahi Sameen Shaw Sameen Shaw See fewer	Black Adam (2022)
Michael Emerson Harold Finch Harold Finch See fewer	Saw (2004)
Saul Rubinek Arthur Claypool Arthur Claypool See fewer	Unforgiven (1992)
Boris McGiver Hersh Hersh See fewer	Servant (2019)
Leslie Odom Jr. Peter Collier Peter Collier See fewer	Hamilton (2020)
Tom Degnan Agent Easton Agent Easton See fewer	Limitless (2015)
Tuck Milligan Finch's Father Finch's Father See fewer	State of Play (2009)
Chris Bert Young Harold Finch Young Harold Finch See fewer	Person of Interest (2011)
Camryn Manheim Diane Claypool Diane Claypool See fewer	The Practice (1997)
Jeanine Serralles Ross Ross See fewer	Inside Llewyn Davis (2013)
Parker Brightman Young Harold (1971) Young Harold (1971) See fewer	Person of Interest (2011)
Jacob Rosenbaum Stewart Stewart See fewer	Paschal Lamb (2015)
Bob Walton State Trooper State Trooper See fewer	Person of Interest (2011)
Nambi E. Kelley Claypool's Nurse Claypool's Nurse See fewer	Lady in the Lake (2024)
Joseph Urban Biker #1 (as Joe Urban) Biker #1 (as Joe Urban) See fewer	Men in Black³ (2012)
Eric T. Miller Trucker Trucker See fewer	Mare of Easttown (2021)
David Webb Fred (uncredited) Fred (uncredited) See fewer	Cross (2024)