- Jemma Redgrave
- Â MI6 Agent Emily Tuthill 6 episodes, 2004
- James Remar
- Â Hudson 'Hud' Benoit 6 episodes, 2004
- Piter Marek
- Â CIA Agent Raza Michaels 6 episodes, 2004
- Silas Carson
- Â Dr. Raghib Mutar 6 episodes, 2004
- Olek Krupa
- Â Stana Moore 6 episodes, 2004
- Barna Moricz
- Â Kaz Moore 6 episodes, 2004
- Emil Marwa
- Â Akil Samoudi 6 episodes, 2004
- Robert Forster
- Â Jay Aldrich 6 episodes, 2004
- Tom Skerritt
- Â CIA Deputy Director Acton Sandman 6 episodes, 2004
- Imran Ali
- Â Kahil 6 episodes, 2004
- Carol Anderson
- Â NSC Staffer 6 episodes, 2004
- Sarkis Bekmezian
- Â Samud Amallah 6 episodes, 2004
- Suzanne Bertish
- Â Sarah Camfield 6 episodes, 2004
- Marc Casabani
- Â English Voice Replacement / ... 6 episodes, 2004
- Luke Dejahang
- Â Masir 6 episodes, 2004
- Houda Echouafni
- Â Nazira 6 episodes, 2004
- David Hunt
- Â Gregor 6 episodes, 2004
- Chapelle Jaffe
- Â Catherine Cross 6 episodes, 2004
- Jack Langedijk
- Â Davi 6 episodes, 2004
- Nina Thilas Mohs
- Â Ilsa Kasselov 6 episodes, 2004
- Michael Morris
- Â American Newscaster 6 episodes, 2004
- Lawrence King-Phillips
- Â Ulek 6 episodes, 2004
- Robert Purdy
- Â MI6 Staffer 6 episodes, 2004
- Parvez Qadir
- Â Hamid Samoudi 6 episodes, 2004
- Farzad Sadrian
- Â Raffi Mustafa 6 episodes, 2004
- Sevag Sagherain
- Â Foukara 6 episodes, 2004
- Jeff Seymour
- Â Omar Massif 6 episodes, 2004
- Hassani Shapi
- Â Julaidin 6 episodes, 2004
- Jeremy Thompson
- Â British Newscaster 6 episodes, 2004
- Badria Timimi
- Â Coila 6 episodes, 2004
- Agni Scott
- Â Reem Mutar 6 episodes, 2004
- Adil Yamlahi
- Â Akbar 6 episodes, 2004
- David K.S. Tse
- Â Agung 6 episodes, 2004
- Dylan McDermott
- Â FBI SA Max Canary 6 episodes, 2004
- Julianna Margulies
- Â NSA Agent Maren Jackson 6 episodes, 2004
- Bernard Hill
- Â Agent Derek Jennings 6 episodes, 2004
- Paula Devicq
- Â Jane McCann 5 episodes, 2004
- Alki David
- Â Yussef Nasseriah, 'Muhammad' 5 episodes, 2004
- Barber Ali
- Â Bashara 5 episodes, 2004
- Hrant Alianak
- Â Yemeni Colonel 5 episodes, 2004
- Don Allison
- Â Howard Masters 5 episodes, 2004
- Karim Aouni
- Â Italian Businessman 5 episodes, 2004
- Alexander Conti
- Â Eddie McCann 5 episodes, 2004
- Christopher Cordell
- Â FBI Agent #2 5 episodes, 2004
- Jake Curran
- Â Jeremy 5 episodes, 2004
- Elle Downs
- Â FBI Agent 5 episodes, 2004
- Huss Garbiya
- Â London Sarin Carrier 5 episodes, 2004
- Richie Gibson
- Â Tulane Kid #2 5 episodes, 2004
- Martin Herdman
- Â Duty Officer 5 episodes, 2004
- Samira Ktiri
- Â French Translator 5 episodes, 2004
- Racha Moussadago
- Â Lagos Waitress 5 episodes, 2004
- Anne Bedian
- Â Nili Michaels 5 episodes, 2004
- Tony Nappo
- Â Buzz Corelli 5 episodes, 2004
- Ciaran O'Driscoll
- Â Young Policeman 5 episodes, 2004
- Nora Sheehan
- Â DIA Analyst 5 episodes, 2004
- Serge Soric
- Â Menno Kasselov 5 episodes, 2004
- Paul Stephen
- Â Waiter 5 episodes, 2004
- Badi Uzzaman
- Â Hotel Desk Man 5 episodes, 2004
- Andres Williams
- Â Tulane Kid #1 5 episodes, 2004
- Alfred Yaeger
- Â Roli Kuster 5 episodes, 2004
- Jacques Zartarian
- Â French Oil Broker 5 episodes, 2004
- Joseph Ziegler
- Â Mark Carrier 5 episodes, 2004
- Paul Bridle
- Â Refinery Clerk 5 episodes, 2004
- James Buller
- Â Jim 5 episodes, 2004
- Maggie Castle
- Â Cathy 5 episodes, 2004
- Abdellah Chakiri
- Â Al Qaeda Leader #2 5 episodes, 2004
- Rosemary Dunsmore
- Â Lois Avery 5 episodes, 2004
- Ivan Marevich
- Â Aleksi 5 episodes, 2004
- Aaron Neil
- Â Cairo Interrogator 5 episodes, 2004
- Paulino Nunes
- Â Kirk Chase 5 episodes, 2004
- Ibrahim Ouabid
- Â Al Qaeda Leader #1 5 episodes, 2004
- Chris Owens
- Â Polygrapher 5 episodes, 2004
- Andrew Martin
- Â Guy at the bar 5 episodes, 2004