24 (phim truyền hình)
Diễn viên và nhân vật > Tuyến nhân vật phụ

| Will Patton | Alan Wilson | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 5 | Does not appear | Does not appear | 5 |
| Akbar Kurtha | Farhad Hassan | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 8 | Does not appear | 8 |
| Jennifer Westfeldt | Meredith Reed | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 6 | Does not appear | 6 |
| Necar Zadegan | Dalia Hassan | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 20 | Does not appear | 20 |
| Nazneen Contractor | Kayla Hassan | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 21 | Does not appear | 21 |
| Clayne Crawford | Kevin Wade | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 9 | Does not appear | 9 |
| TJ Ramini | Tarin Faroush | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 11 | Does not appear | 11 |
| Jürgen Prochnow | Sergei Bazhaev | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 7 | Does not appear | 7 |
| David Anders | Josef Bazhaev | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 6 | Does not appear | 6 |
| Michael Filipowich | Nick Coughlin | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 6 | Does not appear | 6 |
| Callum Keith Rennie | Vladimir Laitanan | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 3 | Does not appear | 3 |
| Hrach Titizian | Nabeel | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 6 | Does not appear | 6 |
| Mido Hamada | Samir Mehran | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 10 | Does not appear | 10 |
| Julian Morris | Owen | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 6 | Does not appear | 6 |
| Rami Malek | Marcos Al-Zacar | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 3 | Does not appear | 3 |
| Mare Winningham | Elaine Al-Zacar | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 2 | Does not appear | 2 |
| Sarah Hollis | Susan | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 10 | Does not appear | 10 |
| Graham McTavish | Mikhail Novakovich | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 7 | Does not appear | 7 |
| Reed Diamond | Jason Pillar | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 8 | Does not appear | 8 |
| Michael Madsen | Jim Ricker | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 4 | Does not appear | 4 |
| Julie Claire | Eden Linley | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 5 | Does not appear | 5 |
| Eriq La Salle | Tổng thư ký LHQ | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 2 | Does not appear | 2 |
| Christina Chong | Mariana | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 5 | 5 |
| Colin Salmon | Tướng Coburn | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 7 | 7 |
| Ross McCall | Ron Clark | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 9 | 9 |
| Branko Tomović | Belcheck | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 9 | 9 |
| James Allenby-Kirk | Stosh | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 7 | 7 |
| Mandeep Dhillon | Chell | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 7 | 7 |
| Charles Furness | Pete | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 6 | 6 |
| Emily Berrington | Simone Al-Harazi | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 7 | 7 |
| Michelle Fairley | Margot Al-Harazi | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 8 | 8 |
| Stephen Fry | Alastair Davies | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 8 | 8 |
| Liam Garrigan | Ian Al-Harazi | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 7 | 7 |
| Miranda Raison | Caroline Fowlds | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 6 | 6 |
| Stanley Townsend | Anatol Stolnavich | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 5 | 5 |
| Adam Sinclair | Gavin Leonard | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | Does not appear | 6 | 6 |