Recurring characters

Below are the recurring charcters and cast in each season. If you cannot find a character or cast member, please look in the Main Characters, Guest Characters or Characters by groups sections.

Season 1

 * Carlos Bernard as Tony Almeida
 * Penny Johnson Jerald as Sherry Palmer
 * Mia Kirshner as Mandy
 * Daniel Bess as Rick Allen
 * Matthew Carey as Dan Mounts
 * Vicellous Shannon as Keith Palmer
 * Megalyn Echikunwoke as Nicole Palmer
 * Jude Ciccolella as Mike Novick
 * Xander Berkeley as George Mason
 * Karina Arroyave as Jamey Farrell
 * Richard Burgi as Alan York/Kevin Carroll
 * Zach Grenier as Carl Webb
 * Glenn Morshower as Agent Aaron Pierce
 * Dennis Hopper as Victor Drazen
 * Misha Collins as Alexis Drazen
 * Zeljko Ivanek as Andre Drazen
 * Michael Massee as Ira Gaines

Season 2

 * Reiko Aylesworth as Michelle Dessler
 * Sara Gilbert as Paula Schaeffer
 * Vicellous Shannon as Keith Palmer
 * Tracy Middendorf as Carla Matheson
 * John Terry as Bob Warner
 * Phillip Rhys as Reza Naiyeer
 * Laura Harris as Marie Warner
 * Skye McCole Bartusiak as Megan Matheson
 * Billy Burke as Gary Matheson
 * Timothy Carhart as Eric Rayburn
 * Jon Gries as Joseph Wald
 * Harris Yulin as Roger Stanton
 * Innis Casey as Miguel
 * Tamlyn Tomita as Jenny Dodge
 * Michelle Forbes as Lynne Kresge
 * Francesco Quinn as Syed Ali
 * Jude Ciccolella as Mike Novick
 * Paul Schulze as Ryan Chapelle
 * Sarah Clarke as Nina Myers
 * Mia Kirshner as Mandy

Season 3

 * DB Woodside as Wayne Palmer
 * Joaquim de Almeida as Ramon Salazar
 * Vincent Laresca as Hector Salazar
 * Greg Ellis as Michael Amador
 * Sarah Clarke as Nina Myers
 * Lothaire Bluteau as Marcus Alvers
 * Paul Blackthorne as Stephen Saunders
 * Penny Johnson Jerald as Sherry Palmer
 * Vanessa Ferlito as Claudia Salazar
 * Wendy Crewson as Dr. Anne Packard
 * Mary Lynn Rajskub as Chloe O'Brian
 * Jesse Borrego as Gael Ortega
 * Zachary Quinto as Adam Kaufman
 * Riley Smith as Kyle Singer
 * Paul Schulze as Ryan Chappelle
 * Albert Hall as Alan Milliken
 * Gina Torres as Julia Milliken
 * Andrea Thompson as Nicole Duncan
 * Maria del Mar as Rachel Forrester

Season 4

 * Dennis Haysbert as David Palmer
 * Nestor Serrano as Navi Araz
 * Shohreh Aghdashloo as Dina Araz
 * Jonathan Ahdout as Behrooz Araz
 * Mia Kirshner as Mandy
 * James Frain as Paul Raines
 * James Morrison as Bill Buchanan
 * Geoff Pierson as President John Keeler
 * Gregory Itzin as Vice-President/President Charles Logan
 * Jude Ciccolella as Mike Novick
 * John Allen Nelson as Walt Cummings
 * Logan Marshall-Green as Richard Heller
 * Aisha Tyler as Marianne Taylor
 * Ned Vaughn as Mitch Anderson
 * Tzi Ma as Cheng Zhi
 * Peter Chin as Lee Jong

Season 5

 * William Devane as Secretary of Defense James Heller
 * Sean Astin as Lynn McGill
 * Peter Weller as Christopher Henderson
 * Jude Ciccolella as Mike Novick
 * Julian Sands as Vladimir Bierko
 * John Allen Nelson as Walt Cummings
 * Ray Wise as Vice President Hal Gardner
 * Glenn Morshower as Aaron Pierce
 * Sandrine Holt as Evelyn Martin
 * DB Woodside as Wayne Palmer
 * Jayne Atkinson as Karen Hayes
 * Stephen Spinella as Miles Papazian
 * Geraint Wyn Davies as James Nathanson
 * Jonah Lotan as Spenser Wolff
 * Mark Sheppard as Ivan Erwich
 * Connie Britton as Diane Huxley
 * Brady Corbet as Derek Huxley
 * Thomas Vincent Kelly as Dr. Marc Benson
 * Alex Kuznetsov as Ostroff
 * Nick Jameson as Yuri Suvarov
 * Kathleen Gati as Anya Suvarov
 * Mary Mara as Shari Rothenberg
 * Jenny Levine as Valerie Harris