24

Kiefer Sutherland stars as Jack Bauer, a dedicated federal agent working for the US counter-terrorism unit.

Leslie Hope plays Teri Bauer, the wife of Jack Bauer.

Dennis Haysbert takes on the role of David Palmer, a US Senator and later President.

Mary Lynn Rajskub portrays Chloe O'Brian, a highly skilled analyst and colleague of Jack Bauer.

Sarah Clarke plays Nina Myers, a CTU agent with complex loyalties.

Sarah Wynter is cast as Kate Warner, a potential target during a crisis in one of the seasons.

Yvonne Strahovski appears as Kate Morgan, a CIA operative.

Carlos Bernard portrays Tony Almeida, a key member of the CTU team.

Benjamin Bratt plays Steve Navarro, a head of the CIA operation.

Jude Ciccolella is Mike Novick, a chief aide and advisor.

Gbenga Akinnagbe takes on the role of Erik Ritter, a CIA agent.

Michelle Fairley plays Margot Al-Harazi, a notable antagonist known for her terrorist actions.