Minor characters (government agents) in 24 is a list of employees of the United States government organization called CTU and FBI on the fictional television series 24. The entries below are characters who have had an arguably minor impact or short duration of exposure during the series' run.

In Season 7 due to CTU being disbanded, the FBI instead takes on the task of dealing with the terrorists.

• Larry Moss, played by Jeffrey Nordling, is the Assistant Director in Charge of the FBI's Washington Field Office during Day 7. Larry Moss and his subordinates, including Agent Renee Walker, investigate a string of technology thefts carried out by an underground group. Agent Moss has doubts that Agent Walker's desire to bring in Jack Bauer for questioning will produce results. He doesn't like Jack's methods and constantly criticizes him, but ultimately comes to understand him. He leads the team that retakes the White House, and later captures members of Starkwood. He and Tony follow a terrorist who has the last canister of a biological weapon, where they are engaged in a firefight. He is shot in the ribcage twice before he is suffocated to death by Tony Almeida.
• Sean Hillinger, played by Rhys Coiro, is an FBI analyst secretly working for Dubaku. He has a rapport with co-worker Janis, who unintentionally cleans his slate between 10:00 AM and 11:00 AM, and he assists her in spying on Chloe. Between 5:00 PM and 6:00 PM he and co-conspirator and fellow FBI agent Erika plan to crash the FBI servers to erase Dubaku's traitor list on which they will both be named. Erika successfully restarts the server, however Sean kills her and shoots himself in the shoulder to maintain his cover and frame Erika as the only traitor. However Chloe had another copy of the data which reveals Sean as a traitor, and he is quickly arrested by Larry Moss.
• Erika, played by Ever Carradine, is an FBI agent. She works with Sean Hillinger, with whom she is conducting an affair. Like Sean she is secretly assisting Iké Dubaku. She is shot and killed by Sean.
• Janis Gold, played by Janeane Garofalo, is a government agent working for the FBI during the events of Day 7, working as technical analyst. She played a role in many minor events, including exposing Sean Hillinger as a mole in the department. She did not work well with former CTU analyst, Chloe O'Brian.

24: Season 8

• Arlo Glass played by John Boyd. Arlo is a CTU Analyst. He works with Chloe and Dana during the first part of the day and helps Chloe with finding Jack towards the end of the Day.
• Brian Hastings played by Mykelti Williamson. Hastings is the director of CTU New York in season 8. He is shown to have an uneasy relationship with Chloe O'Brian, rejecting her belief arrested journalist Meredith Reed was innocent, though when she was proved right, he admitted his mistake in not trusting her. Hastings also authorized Renee Walker to go back undercover in the Russian mob in the hopes of locating the missing nuclear rods, despite Jack's protests. In the shake-up of CTU which followed the numerous mistakes made during the day, in particular the failure to prevent the murder of President Omar Hassan and his recruitment of Dana Walsh, who turned out to be a Russian spy, he was demoted and replaced by O'Brian.
• Cole Ortiz - played by Freddie Prinze, Jr.. Cole was the Director of Field Operations for CTU New York . Cole was in a relationship with CTU chief data analyst Dana Walsh and the two were engaged to be married. He headed several field operations for the agency, but also covered up the shootings of two criminals in an effort to protect Dana. When he discovered that Dana was a mole, he was devastated by her betrayal.
• Dana Walsh played by Katee Sackhoff. Dana is introduced as a competent and highly regarded analyst at CTU New York, and the fiancee of Cole Ortiz. As the season unfolds it emerges she has a hidden criminal past, which her ex-boyfriend Kevin is using to blackmail her. He and his criminal friend force her to help them steal $120,000 from a police lock-up by providing security clearance and codes. When the two men were later killed in a shoot-out, Ortiz helped her cover it up. Kevin's parole officer later appeared asking awkward questions and she suspected he knew of her involvement in the robbery. Using the cover of the EMP detonation at CTU, Dana strangled the officer and hid his body in a vent before making a call on her cell-phone revealing her criminal past is not so in the past and she is a Russian agent assisting the terrorists. Later she's outed as a mole when Jack Bauer found her number on Tarin's phone. In return for a Presidential pardon, she tells Jack of a data file she made which proves the involvement of members of the Russian government in Omar Hassan's assassination. Disgraced ex-President Charles Logan persuades incumbent Allison Taylor that the location of the data chip can instead be tortured out of Dana, thus preventing it derailing the upcoming Middle East peace treaty and she is transported away from CTU for interrogation. Jack and Cole rescue Dana and she takes them to a bank vault containing the chip, and although she escapes Jack traps her again. Refusing her pleas to make another deal and with Renee's murder still on his mind, he shoots and kills her.

24: Live Another Day

• Steve Navarro played by Benjamin Bratt. Navarro is the section chief of the CIA station in London. He was revealed to be the one who sold top-secret material to the Chinese government and framed Adam Morgan for it. He delivered the override device to hacker Adrian Cross before getting arrested.
• Erik Ritter played by Gbenga Akinnagbe. Ritter is a CIA agent sent to replace Kate Morgan in the CIA station in London.
• Jordan Reed played by Giles Matthey. Reed is a CIA analyst and comm chief in the CIA station in London.
• Gavin Leonard played by Adam Sinclair. Gavin is a CIA analyst in the CIA station in London.

[ Source: Wikipedia ]