| Alon Aboutboul | .... | Aamir Barkawi |
| Waleed Zuaiter | .... | Kamran Barkawi |
| Adel Bencherif | .... | Raza Mansoor |
| Mehdi Dehbi | .... | Sultan Mansoor |
| Shivani Ghai | .... | Amal Mansoor |
| Martin Petrushev | .... | UAV Reaper Pilot |
| Owen Davis | .... | JSOC Officer |
| Gerard Butler | .... | Mike Banning |
| Aaron Eckhart | .... | Benjamin Asher |
| Michael Wildman | .... | Agent Voight |
| Radha Mitchell | .... | Leah Banning |
| Lucy Newman Williams | .... | Aide |
| Julian Kostov | .... | Aide |
| Stacy Shane | .... | Stern Faced Advisor |
| Penny Downie | .... | Home Secretary Rose Kenter |
| Guy Williams | .... | PM Leighton Clarkson |
| Patrick Kennedy | .... | MI5 Intel John Lancaster |
| Colin Salmon | .... | Chief Hazard |
| Terence Randall | .... | Met Police Colleague |
| Angela Bassett | .... | Lynne Jacobs |
| Morgan Freeman | .... | VP Allan Trumbull |
| Deborah Grant | .... | Doris |
| Andrew Pleavin | .... | Agent Bronson |
| Nancy Baldwin | .... | German Chancellor Agnes Bruckner |
| Madison Lowry | .... | Young Girl |
| Nigel Whitmey | .... | Canadian PM Robert Bowman |
| Julia Montgomery Brown | .... | Bowman's Wife |
| Tsuwayuki Saotome | .... | Japanese PM Tsutomu Nakushima |
| Sadao Ueda | .... | Driver |
| Alex Giannini | .... | Antonio Gusto |
| Elsa Mollien | .... | Viviana Gusto |
| Philip Delancy | .... | Jacques Mainard |
| Jean-Baptiste Fillon | .... | Steward |
| Kemi-Bo Jacobs | .... | Intel Officer |
| Simon Harrison | .... | Intel Officer 2 |
| Sean O'Bryan | .... | NSA Ray Monroe |
| Jackie Earle Haley | .... | DC Mason |
| Robert Forster | .... | General Edward Clegg |
| Melissa Leo | .... | Defence Secretary Ruth Macmillan |
| Simon Connolly | .... | Marine One Pilot 1 |
| Scott Sparrow | .... | Marine One Pilot 2 |
| Ginny Holder | .... | EMT / MED Dept. Head |
| Terence Beesley | .... | Fire Dept. Head |
| Tim Woodward | .... | General |
| Nikesh Patel | .... | Pradhan |
| Charlotte Riley | .... | MI6 Jacquelin Marshall |
| Boian Anev | .... | Bad Guy |
| Bryan Larkin | .... | SAS Lieutenant |
| Raj Awasti | .... | Spectator (uncredited) |
| David Olawale Ayinde | .... | Police Armed Security Officer (uncredited) |
| Krasen Belev | .... | Journalist (uncredited) |
| Laura Bernardeschi | .... | Partygoer (uncredited) |
| Mihail Bilalov | .... | President Sokolov (uncredited) |
| Alan Bond | .... | MI5 Agent (uncredited) |
| Dilyana Bouklieva | .... | Police Woman (uncredited) |
| Christopher Carrico | .... | Secret Service (uncredited) |
| Bern Collaço | .... | Police Officer (uncredited) |
| Alexander Cooper | .... | Passerby (uncredited) |
| Michael Dickins | .... | Barkawi's Mercenary (uncredited) |
| Nick Donald | .... | Armed Police Officer (uncredited) |
| Sava Dragunchev | .... | Westminster Abbey Priest (uncredited) |
| Joe Fidler | .... | Agent Henderson (uncredited) |
| Melissa Galloway | .... | London Girl (uncredited) |
| Ivaylo Grancharov | .... | Secret Service (uncredited) |
| Guna Gultniece | .... | Secret Service Agent (uncredited) |
| Michael Haydon | .... | Commuter (uncredited) |
| Philip Howard | .... | MI5 Operative (uncredited) |
| Dimitar Ilkov | .... | Hacker (uncredited) |
| Bron James | .... | London Commuter (uncredited) |
| Jorge Leon Martinez | .... | Secret Service (uncredited) |
| Scott Mahoney | .... | Secret Service (uncredited) |
| Jim Maidment | .... | SO19 Armed Police (uncredited) |
| Sonia Mason | .... | Journalist (uncredited) |
| Anthony Milton | .... | Secret Service Agent (uncredited) |
| Nigel Murfitt | .... | City banker (uncredited) |
| Jason Nicholls | .... | City Passer-by (uncredited) |
| Stephen Parker | .... | Air Force One Pilot (uncredited) |
| Mac Pietowski | .... | Secret Service (uncredited) |
| Anton Poriazov | .... | Clarkson Aide - Cobra Room (uncredited) |
| Ricky Rajpal | .... | Journalist (uncredited) |
| Santi Scinelli | .... | Driver (uncredited) |
| Atul Srivastava | .... | Secret Service (uncredited) |