- Jason Butler Harner - Miles Valence
- Dean Armstrong - Barry Merrill
- Jorja Cadence - Cara Spader
- Phil Burke - Younger Ben Wilson
- Ishan Davé - Hafiz
- Jonas Chernick - Xander Arnaz
- Jed Rees - Manfred Larter
- Erin Karpluk - Claire Weir
- Wendy Makkena - Debra Wyman-Massey
- Tricia Black - Data Protestor
- Carson Durven - Driver
- Jamaal Grant - Bearded Finance Type
- Carin Moffat - Dana Heinrich
- Derek Moran - G-Man
- Matthew Olver - Bald Commuter
- Douglas Walker - Chauffer
- Wyatt White - Sam Weir
- Houston Wong - Security Guard
- Maia Jae Bastidas - Eliza Wells
- Noam Jenkins - Special Agent Rasche
- Dan Darin Zanco - Precinct Officer Cruz
- Aisha Evelyna - Agitated Woman in Precinct
- Brian Hamman - Detective Reins
- Malik McCall - NY Fire Captain
- Sabrina Saudin - Ristorante Waitress
- Philip van Martin - Precinct Reception Officer
- Beatriz Yuste - Detective Fewkes
- Alexandra Castillo - Olivia Bonen
- Finlay Wojtak-Hissong - Young Miles Valence
- Matthew MacFadzean - Morgan Shaw
- Lara Arabian - Dina
- Robert Clarke - Carter Aimes
- Daniel Falk - Math Teacher
- Natalia Gracious - Arda Analytics Tech #1
- Natasha Krishnan - Xander's Assistant
- David MacInnis - Public School Teacher
- Paul Nicholas Mason - Bald Focus Group Volunteer
- John Nightingale - Boarding School Director
- Andres Romo Salido - Arda Analytics Tech #2
- Archie Kao - Elliot Gao
- James Binkley - Security Guard 4
- Onna Chan - NY Fire Rescue
- Onna Chan - Crowd #3
- Sebastian Buitrago - Gao Security Guard
- Jason Chan - Kevin
- Alex Chung - Security Guard 2
- Jonathan Collard - Third Operative
- Christopher Di Meo - Security Guard 3
- Kevin P. Gabel - Banker
- Peter Weller - Distinguished Man
- Peter Weller - Distinguished Man (voice)
- Kevin Hare - Craig Payne
- Richard Harte - Scottish Prick
- Josette Jorge - Anna
- Michèle Kaye - Homm's Wife
- Anwar Knight - Reporter on TV
- Brendan McMurtry-Howlett - Hayden
- Colton Royce - Cop
- Tracy Shreve - Movie Producer
- Matt Raymond - Boy
- Matt Raymond - Boarding School Boy
- Megan Follows - Senator Nora Evers
- Elie Gemael - The Janitor
- Blair Johannes - Hunter #2
- Yvette McKoy - Hunter #3
- Matt Baram - Ronald Kolgin
- Eddie Guillaume - Lanneman
- Marc Winnick - Young Crowley
- Milan Carmona - Scared Junkie
- Sean James - Harland
- Brian Quintero - Crowd #2
- Fane Tse - Benzo
- Stephen Bogaert - Wilhelm Morello
- James Downing - Art Dealer
- Bryan Hatt - Customer
- Tim Myles - Employee
- Chai Valladares - Young Exec
- Lance Henriksen - Crowley
- Riley Gilchrist - Jess
- Ferelith Young - Real Olivia
- Milton Barnes - Edgar Hampton III
- Craig Burnatowski - Abductor #1
- Todd Campbell - FBI Guard
- Patrick Collins - Pulse Corporate Lawyer #1
- Colin Glazer - DOJ Lawyer
- Bridget Ogundipe - Stage Manager
- Alexandra Salerno
- Gabriel Ho
- Nick Pavonetti
- Norman Denver
- Rori Bergman
- Kiefer Sutherland
- Rocco Matteo
- Wendy Riss
- Manish Raval
- Siddhartha Khosla
- Tom Wolfe
Patrick Collins interpreta a Pulse Corporate Lawyer #1 en la serie.
Kiefer Sutherland interpreta a John Weir en la serie.
Lance Henriksen interpreta a Crowley en la serie.
Meta Golding interpreta a Hailey Winton en la serie.
Enid Graham interpreta a Josephine 'Jo' Madi en la serie.
Rob Yang interpreta a Edward Homm en la serie.
Walt Klink interpreta a Kyle the Intern en la serie.
Charles Dance hace el papel de Dr. Ben Wilson.
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