| Mission: Impossible - The Final Reckoning | 2025 | Actress | Grace |
| What If...? | 2021–2024 | Actress | Captain Carter |
| Paddington in Peru | 2024 | Actress | Madison |
| Tomb Raider: The Legend of Lara Croft | 2024 | Actress | Lara Croft (voice) |
| Heartstopper | 2024 | Actress | Aunt Diane |
| The Imaginary | 2023 | Actress | Lizzie (English version, voice) |
| Mission: Impossible - Dead Reckoning Part One | 2023 | Actress | Grace |
| Doctor Strange in the Multiverse of Madness | 2022 | Actress | Captain Carter |
| Peter Rabbit 2: The Runaway | 2021 | Actress | Mittens (voice) |
| Criminal: UK | 2019 | Actress | Stacey Doyle |
| 3Below: Tales of Arcadia | 2018–2019 | Actress | Zadra (voice) |
| Avengers: Endgame | 2019 | Actress | Peggy Carter |
| Blinded by the Light | 2019 | Actress | Ms Clay |
| Avengers Assemble | 2016–2019 | Actress | Peggy Carter |
| Ode to Saint Cecilia | 2018 | Actress | Cecilia |
| The Long Song | 2018 | Actress | Caroline |
| Christopher Robin | 2018 | Actress | Evelyn Robin |
| Howards End | 2017 | Actress | Margaret Schlegel |
| Chicken/Egg | 2017 | Actress | Lauren |
| Conviction | 2016–2017 | Actress | Hayes Morrison |
| The Complete Walk: Cymbeline | 2016 | Actress | Innogen |
| Agent Carter | 2015–2016 | Actress | Peggy Carter |
| Lego Marvel's Avengers | 2016 | Actress | Agent Peggy Carter (voice) |
| Ant-Man | 2015 | Actress | Peggy Carter |
| Avengers: Age of Ultron | 2015 | Actress | Peggy Carter |
| Cinderella | 2015 | Actress | Ella's Mother |
| Agents of S.H.I.E.L.D. | 2014 | Actress | Peggy Carter |
| Testament of Youth | 2014 | Actress | Hope |
| The Martian Chronicles Podcast Series | 2014 | Actress | Spender |
| Captain America: The Winter Soldier | 2014 | Actress | Peggy Carter |
| Jimi: All Is by My Side | 2013 | Actress | Kathy |
| Marvel One-Shot: Agent Carter | 2013 | Actress | Peggy Carter |
| Life of Crime | 2013 | Actress | Denise Woods |
| Doctor Who: The Fourth Doctor Adventures | 2013 | Actress | President Sheridan Moorkurk |
| Black Mirror | 2013 | Actress | Martha |
| Falcón | 2012 | Actress | Consuelo Jiménez |
| Restless | 2012 | Actress | Eva Delectorskaya |
| The Sweeney | 2012 | Actress | DC Nancy Lewis |
| Playhouse Presents | 2012 | Actress | The Banker |
| I, Anna | 2012 | Actress | Emmy |
| Captain America: Super Soldier | 2011 | Actress | Peggy Carter (voice) |
| Captain America: The First Avenger | 2011 | Actress | Peggy Carter |
| Tomato Soup | 2010 | Actress | Movie Star |
| Thrush | 2010 | Actress | Ruby's Friend |
| Any Human Heart | 2010 | Actress | Freya Deverell |
| The Pillars of the Earth | 2010 | Actress | Aliena |
| Doctor Who: The Monthly Adventures | 2008–2010 | Actress | Sesha |
| The Prisoner | 2009 | Actress | 4-15 |
| Love Hate | 2009 | Actress | Hate |
| The Duchess | 2008 | Actress | Bess Foster |
| Brideshead Revisited | 2008 | Actress | Julia Flyte |
| Doctor Who: The Eighth Doctor Adventures | 2006–2007 | Actress | Asha (voice) |
| How About You | 2007 | Actress | Ellie Harris |
| The Shadow in the North | 2007 | Actress | Rosa Garland |
| Cassandra's Dream | 2007 | Actress | Angela Stark |
| Mansfield Park | 2007 | Actress | Mary Crawford |
| The Ruby in the Smoke | 2006 | Actress | Rosa Garland |
| Fear of Fanny | 2006 | Actress | Jane |
| The Line of Beauty | 2006 | Actress | Cat Fedden |
| Whatever Love Means | 2005 | Actress | Sabrina Guinness (as Hayley Attwell) |
| Marvel Studios: Assembling a Universe | 2014 | Thanks | thanks |
| Agent Carter | 2016 | Soundtrack | performer: "Whatcha Gonna Do (It's Up To You)" |
| Cinderella | 2015 | Soundtrack | performer: "Lavender's Blue" |
| The Tonight Show Starring Jimmy Fallon | 2025 | Self | Self |
| The Kelly Clarkson Show | 2025 | Self | Self |
| Live with Kelly and Mark | 2023–2025 | Self | Self - Guest |
| IMDb Interviews | 2023–2025 | Self | Self - Guest |
| CBS Mornings | 2023–2025 | Self | Self |
| ABC News Breakfast | 2025 | Self | Self - Actor |
| The One Show | 2018–2025 | Self | Self - Guest |
| Light the Fuse | 2020–2023 | Self | Self - Guest |
| etalk presents: Mission: Impossible - All Access TV Special | 2023 | Self | Self |
| Made in Hollywood | 2011–2023 | Self | Self |
| Extra | 2023 | Self | Self |
| Entertainment Tonight | 2023 | Self | Self |
| Access Hollywood | 2023 | Self | Self |
| Entertainment Tonight Canada | 2023 | Self | Self |
| Girls on Film | 2023 | Self | Self (voice) |
| Rome World Premiere of Mission Impossible: Dead Reckoning Video | 2023 | Self | Self |
| 2023 EE BAFTA Film Awards | 2023 | Self | Self - Presenter |
| Marvel Studios: Assembled | 2022 | Self | Self - Captain Carter (uncredited) |
| True Spies: Espionage - Investigation - Crime - Murder - Detective - Politics Podcast Series | 2020 | Self | Self - Host |
| IMDb on the Scene | 2019 | Self | Self |
| Christopher Robin: A Movie Is Made For Pooh | 2018 | Self | Self |
| The Late Late Show with James Corden | 2018 | Self | Self - Guest |
| Jimmy Kimmel Live! | 2015–2018 | Self | Self - Guest |
| Good Morning America | 2016–2018 | Self | Self - Guest |
| Dates in Movie & TV History | 2018 | Self | Self |
| The Awardist Podcast Series | 2018 | Self | Self - Guest |
| SAG Foundation Conversations | 2018 | Self | Self |
| Last Call with Carson Daly | 2018 | Self | Self - Guest |
| Happy Sad Confused | 2018 | Self | Self |
| Conan | 2018 | Self | Self - Guest |
| Sidewalks Entertainment | 2018 | Self | Self - Guest |
| Breakfast | 2008–2017 | Self | Self - Actor |
| Return of the Spider Monkeys | 2016 | Self | Narrator (voice) |
| The View | 2016 | Self | Self - Guest |
| This Week in Hollywood | 2016 | Self | Self |
| Lip Sync Battle | 2016 | Self | Self - Competitor |
| Marvel's Captain America: 75 Heroic Years | 2016 | Self | Self |
| TV Insider TV Series | 2015 | Self | Self |
| Edge of Darkness Short | 2015 | Self | Self - Narrator |
| Liberty of London | 2013–2014 | Self | Self - Narrator |
| Marvel 75 Years: From Pulp to Pop! | 2014 | Self | Self |
| Marvel Studios: Assembling a Universe | 2014 | Self | Self |
| The Jonathan Ross Show | 2013 | Self | Self - Guest |
| The Laurence Olivier Awards 2012 TV Special | 2012 | Self | Self - Presenter |
| Daybreak | 2011 | Self | Self |
| Marvel LIVE! World Premiere of Captain America: The First Avenger | 2011 | Self | Self |
| The Late Late Show with Craig Ferguson | 2011 | Self | Self - Guest |
| The 68th Annual Golden Globe Awards | 2011 | Self | Self - Nominee |
| SAT.1-Frühstücksfernsehen | 2010 | Self | Self |
| Beautiful Prison: The World of 'The Prisoner' | 2010 | Self | Self |
| A Six Hour Film Shot in 92 Days: The Diary of 'The Prisoner' Video | 2010 | Self | Self |
| Up Close with Carrie Keagan | 2008 | Self | Self - Guest |
| 7.30 | 2025 | Archive Footage | Self - Actor (archive footage, uncredited) |
| Entertainment Tonight | 2023 | Archive Footage | Self (archive footage) |
| Marvel Studios: Legends | 2021 | Archive Footage | Peggy Carter (archive footage) |
| The Prisoner | 2009 | Archive Footage | 4-15 |