The Season 3 cast includes twenty-eight starring cast members and numerous guest stars.
The following roles were played by unidentified performers:
* Multiple episodes
* Jeannie (3 episodes)
* Felipe (2 episodes)
* Ian (2 episodes)
* Luis (2 episodes)
* Trell (2 episodes)
* "1:00pm-2:00pm"
* Chris
* David Goss
* Tracy
* "4:00pm-5:00pm"
* Benjamin
* Daniel
* "5:00pm-6:00pm"
* Evan
* "7:00pm-8:00pm"
* Agent Johnson
* "10:00pm-11:00pm"
* Senator Hayes
* "11:00pm-12:00am"
* Amador's operative
* Patrick
* Yuri
* "1:00am-2:00am"
* Barb
* Brian
* Matt
* Steve
* "2:00am-3:00am"
* Nick
* "3:00am-4:00am"
* Dennis
* "5:00am-6:00am"
* Pach
* "6:00am-7:00am"
* Agent Graves
* Agent Martinez
* "7:00am-8:00am"
* Jani
The Season 3 cast includes twenty-eight starring cast members and numerous guest stars.
The following roles were played by unidentified performers:
* Multiple episodes
* Jeannie (3 episodes)
* Felipe (2 episodes)
* Ian (2 episodes)
* Luis (2 episodes)
* Trell (2 episodes)
* "1:00pm-2:00pm"
* Chris
* David Goss
* Tracy
* "4:00pm-5:00pm"
* Benjamin
* Daniel
* "5:00pm-6:00pm"
* Evan
* "7:00pm-8:00pm"
* Agent Johnson
* "10:00pm-11:00pm"
* Senator Hayes
* "11:00pm-12:00am"
* Amador's operative
* Patrick
* Yuri
* "1:00am-2:00am"
* Barb
* Brian
* Matt
* Steve
* "2:00am-3:00am"
* Nick
* "3:00am-4:00am"
* Dennis
* "5:00am-6:00am"
* Pach
* "6:00am-7:00am"
* Agent Graves
* Agent Martinez
* "7:00am-8:00am"
* Janitor decoy agent
* Anne Schwartz
* "8:00am-9:00am"
* Ari Consul
* Al Crenshaw
* Dave Evans
* Infected CTU agent
* Bill Kendall
* Sayid Kolobe
* Ronnie Pope
* "9:00am-10:00am"
* Dan
* Agent Davis
* Sara Kaufman
* Pete
* "10:00am-11:00am"
* Sam
* "11:00am-12:00pm"
* Wilson
* "12:00pm-1:00pm"
* Frank Cassar
* Haynes
* Terrorist helicopter contact