Day 3 antagonists

The following charcters were antagonists during Day 3, and helped the terrorists in some way:

Mexican Narcoterrorists

Ramon Salazar : Mexican drug Lord, threatened L.A. with the Cordilla virus. Killed when virus capsule exploded.
Hector Salazar : Younger brother of Ramon. Killed by Ramon.
David Gomez : Shot Tony Almeida at the mall so Kyle Singer could escape.
Pedro : Henchman of the Salazars.
Gael Ortega: Agent at CTU Los Angeles, Gael Ortega provided information to the Salazars, but was later revealled to be, in fact, working for CTU.
Eduardo: Henchman of the Salazars, tortured Chase Edmunds.
Emilio: Henchman working for the Salazars.

Stephen Saunders : Mastermind, member of Jack's Nightfall team in Kosovo, wanted revenge on the U.S. Apprehended by CTU. Gael Ortega's wife, saw Saunders as being responsible for her husband's death. She shot and killed him. Deceased.
Diana White: Ex-Lover of Stephan Saunders, courier manager. Saunders blackmailed her clients to fiance his terrorist operations. Saunders's men killed her in order to impede CTU and MI6's investigations.
Marcus Alvers: Henchman for Saunders, planted a vial in the Chandler Plaza Hotel. Intermediary between Saunders and Amador. Killed by the virus.
Michael Amador: Auctioneer of the virus in Mexico. Saunder's associate. Saunders's men planted a bomb in his car. Deceased.
Arthur Rabens: Courier of Saunders, last one to release the virus. Killed by Jack Bauer.
Osterlind: Henchman of Saunders. Killed by Saunders.
Frederick: Henchman, captor of Michelle Dessler. Shot by Tony Almeida in a shootout.
Kevin (Day 3): Henchman guarding Michelle. Status unknown.

Nina Myers: Hired by an unknown source to purchase the virus for $240 million.
Kyle Singer: Though he had no knowledge of the plot, Kyle Singer was involved, as he ferried the Salazar's drugs across the Mexican border, and was later suspected of carrying the virus himself.
Douglas Shaye: Ramon Salazar's lawyer. Murdered by Salazar with a pen becase he knew too much.
Jeff Benson: Prison guard who murdered Luis Annicon because Salazar had his son hostage. After Annicon was killed, Ramon said that his son would be released. Benson was placed in jail afterwards.

There were many unnamed terrorists and henchmen working for both groups. Ex- couriers and guard of Stephan Saunders and Michael Amador, guards working with the Salazars.