| Legend | 2015 | Actress | Timi Yuro |
| Patagonia | 2010 | Actress | Sissy |
| Duffy: Mercy - US Version | 2008 | Actress | Duffy |
| Duffy: Warwick Avenue | 2008 | Actress | Duffy |
| Duffy: Mercy | 2008 | Actress | Duffy |
| Duffy: Mercy - US Version | 2008 | Composer | Composer (uncredited) |
| Duffy: Warwick Avenue | 2008 | Composer | Composer |
| Duffy: Mercy | 2008 | Composer | Composer (uncredited) |
| Sky News Today | 2020 | Additional Crew | pictures (as @Duffy) |
| An Education | 2009 | Thanks | special thanks |
| Viki ja Köpi Show | 2024 | Soundtrack | performer: "Mercy" |
| The Project | 2023 | Soundtrack | performer: "Mercy" |
| The Voice | 2012–2023 | Soundtrack | writer: "Mercy" |
| JoJo's Bizarre Adventure | 2021–2022 | Soundtrack | performer: "Distant Dreamer" |
| McDonald & Dodds | 2021 | Soundtrack | writer: "Mercy" |
| The Heimatdamisch - Live at Kurhaus Bad Tölz Video | 2021 | Soundtrack | Soundtrack ("Mercy") |
| Nigella's Cook, Eat, Repeat | 2020 | Soundtrack | performer: "Serious" |
| Nadiya Bakes | 2020 | Soundtrack | performer: "Warwick Avenue" (uncredited) |
| Sky News Today | 2020 | Soundtrack | performer: "Mercy" |
| Time of Our Lives | 2019 | Soundtrack | performer: "Mercy" |
| Nigella: At My Table | 2017 | Soundtrack | performer: "Warwick Avenue", "Delayed Devotion" |
| Nunca es tarde | 2017 | Soundtrack | writer: "Mercy" |
| Good Morning Britain | 2016 | Soundtrack | performer: "Mercy" |
| Strictly Come Dancing | 2010–2016 | Soundtrack | writer: "Mercy" |
| Legend | 2015 | Soundtrack | performer: "Are You Sure", "Make the World Go Away", "Whole Lotta Love" |
| Dancing with the Stars | 2015 | Soundtrack | writer: "Mercy" (uncredited) |
| Tu cara me suena mini - España | 2014 | Soundtrack | writer: "Mercy" |
| Guapas | 2014 | Soundtrack | performer: "Well, Well, Well" |
| Makina Kafa | 2014 | Soundtrack | writer: "Mercy" |
| Piaf: Hymnes à la môme | 2013 | Soundtrack | performer: "If you Love me" (Hymne à l'Amour), "La Vie en Rose" |
| Filth | 2013 | Soundtrack | writer: "Mercy" |
| The Voice of the Philippines | 2013 | Soundtrack | writer: "Mercy" |
| Golos | 2012 | Soundtrack | writer: "Mercy" |
| So You Think You Can Dance | 2008–2012 | Soundtrack | performer: "Mercy" |
| The Tonight Show with Jay Leno | 2010–2012 | Soundtrack | writer: "Mercy" |
| O Ses Türkiye | 2011 | Soundtrack | writer: "Mercy" |
| Copycats | 2011 | Soundtrack | performer: "Mercy" |
| 90210 | 2011 | Soundtrack | performer: "Mercy" |
| The X Factor UK | 2008–2010 | Soundtrack | writer: "Distant Dreamer" |
| How Not to Live Your Life | 2010 | Soundtrack | performer: "Mercy" |
| Late Night with Jimmy Fallon | 2010 | Soundtrack | performer: "Well, Well, Well" |
| Reunited | 2010 | Soundtrack | performer: "Mercy" (uncredited) |
| Patagonia | 2010 | Soundtrack | performer: "Desearía" (Adapted from "Hope There's Someone") |
| Feroz | 2010 | Soundtrack | performer: "Mercy" (uncredited) |
| Live from Studio Five | 2009 | Soundtrack | performer: "Mercy" |
| Glee | 2009 | Soundtrack | writer: "Mercy" (uncredited) |
| Loose Women | 2009 | Soundtrack | writer: "Mercy" |
| No disparen al pianista | 2009 | Soundtrack | performer: "Mercy", "Rain on Your Parade" |
| Cupid | 2009 | Soundtrack | performer: "Mercy" (uncredited) |
| Deutschland sucht den Superstar | 2008–2009 | Soundtrack | writer: "Warwick Avenue" |
| The Boat That Rocked | 2009 | Soundtrack | performer: "Stay with Me Baby" |
| Being Human | 2009 | Soundtrack | performer: "Mercy" |
| Wetten, dass..? | 2009 | Soundtrack | performer: "Rain on Your Parade" |
| Criminal Minds | 2009 | Soundtrack | performer: "Mercy" |
| Brit Awards 2009 | 2009 | Soundtrack | writer: "Warwick Avenue" (uncredited) |
| X Factor | 2009 | Soundtrack | writer: "Warwick Avenue" |
| Doctors | 2009 | Soundtrack | performer: "Stepping Stone" (uncredited) |
| An Education | 2009 | Soundtrack | performer: "Smoke Without Fire" |
| Bride Wars | 2009 | Soundtrack | performer: "Rain On Your Parade", "I'm Scared" |
| Duffy: Mercy - US Version | 2008 | Soundtrack | performer: "Mercy" |
| Türkisch für Anfänger | 2008 | Soundtrack | performer: "Mercy", "Warwick Avenue" (uncredited) |
| Dancing with the Stars | 2008 | Soundtrack | performer: "Mercy" |
| Telstar: The Joe Meek Story | 2008 | Soundtrack | performer: "Please Stay" |
| Alarm für Cobra 11 - Die Autobahnpolizei | 2008 | Soundtrack | performer: "Mercy" |
| Privileged | 2008 | Soundtrack | performer: "Oh Boy" (uncredited) |
| How to Lose Friends & Alienate People | 2008 | Soundtrack | performer: "Enough Love" |
| Knight Rider | 2008 | Soundtrack | performer: "Mercy" |
| Saturday Night Live | 2008 | Soundtrack | performer: "Mercy", "Stepping Stone" (uncredited) |
| My Best Friend's Girl | 2008 | Soundtrack | performer: "Mercy" |
| Entourage | 2008 | Soundtrack | performer: "Mercy [Cool & Dre remix]" (uncredited) |
| The Paul O'Grady Show | 2008 | Soundtrack | performer: "Warwick Avenue" |
| Grey's Anatomy | 2008 | Soundtrack | performer: "Mercy" (uncredited) |
| Smallville | 2008 | Soundtrack | performer: "Mercy" |
| Operación triunfo | 2008 | Soundtrack | performer: "Mercy" |
| ER | 2008 | Soundtrack | performer: "Mercy" |
| Duffy: Mercy | 2008 | Soundtrack | performer: "Mercy" |
| Piaf: Hymnes à la môme | 2013 | Self | Self |
| The Beatles: The Lost Concert | 2012 | Self | Self |
| The Diamond Queen | 2012 | Self | Self - Singer |
| El hormiguero | 2011 | Self | Self - Guest |
| Skavlan | 2011 | Self | Self |
| The Ellen DeGeneres Show | 2008–2010 | Self | Self - Musical Guest |
| The Alan Titchmarsh Show | 2010 | Self | Self |
| La boîte à questions | 2008–2010 | Self | Self |
| This Morning | 2010 | Self | Self |
| Le grand journal de Canal+ | 2008–2010 | Self | Self |
| Breakfast | 2008–2010 | Self | Self - Guest |
| The One Show | 2010 | Self | Self - Guest |
| Strictly Come Dancing | 2008–2010 | Self | Self - Musical Guest |
| Late Night with Jimmy Fallon | 2010 | Self | Self - Musical Guest |
| The Tonight Show with Jay Leno | 2008–2010 | Self | Self - Musical Guest |
| No disparen al pianista | 2009 | Self | Self - Musical Guest |
| MTV Australia Awards 2009 TV Special | 2009 | Self | Self |
| Do it Yourself: The Story of Rough Trade TV Special | 2009 | Self | Self |
| Wetten, dass..? | 2009 | Self | Self |
| Xposé | 2009 | Self | Self |
| Brit Awards 2009 | 2009 | Self | Self - Performer |
| The BRITs 2009 Red Carpet TV Movie | 2009 | Self | Self |
| The BRITs 2009 Encore TV Special | 2009 | Self | Self |
| The 51st Annual Grammy Awards | 2009 | Self | Self - Presenter |
| All Access Grammy Special | 2009 | Self | Self |
| Rachael Ray | 2009 | Self | Self - Guest |
| Top of the Pops | 2008 | Self | Self - Performer |
| Duffy: Live in Japan TV Special | 2008 | Self | Self |
| The Royal Variety Performance 2008 | 2008 | Self | Self |
| Eigo de shabera-night | 2008 | Self | Self |
| Children in Need | 2008 | Self | Self |
| MTV Europe Music Awards Liverpool 08 | 2008 | Self | Self - Performer |
| BBC One Sessions TV Series | 2008 | Self | Self |
| Saturday Night Live | 2008 | Self | Self - Musical Guest |
| Star Academy | 2008 | Self | Self |
| MTV Day 2008 TV Special | 2008 | Self | Self |
| Fashion Rocks | 2008 | Self | Self |
| Late Show with David Letterman | 2008 | Self | Self - Guest |
| T4 on the Beach 2008 | 2008 | Self | Self |
| The Late Late Show with Craig Ferguson | 2008 | Self | Self - Guest |
| La chanson de l'année | 2008 | Self | Self |
| The Paul O'Grady Show | 2008 | Self | Self - Guest |
| The Graham Norton Show | 2008 | Self | Self - Guest |
| Live with Kelly and Mark | 2008 | Self | Self - Guest |
| Late Night with Conan O'Brien | 2008 | Self | Self - Guest |
| III nach neun | 2008 | Self | Self |
| Operación triunfo | 2008 | Self | Self - Musical Guest |
| Hit Machine TV Series | 2008 | Self | Self |
| Schlag den Raab | 2008 | Self | Self |
| Esprits libres | 2008 | Self | Self |
| Taratata | 2008 | Self | Self |
| Later... With Jools Holland | 2007–2008 | Self | Self (also Interview) |
| Friday Night with Jonathan Ross | 2008 | Self | Self - Guest |
| Jools's Hootenanny | 2007–2008 | Self | Self |
| MTV 00s - Year Clash! 2001 Vs 2008 TV Special | 2025 | Archive Footage | Duffy (archive footage) |
| MTV 00s - Women in Music: 40 Era Defining Hits! TV Special | 2025 | Archive Footage | Duffy (archive footage) |
| MTV 00s - Pop Royalty: The Ladies! TV Special | 2025 | Archive Footage | Duffy (archive footage) |
| MTV 00s - No More Sad Songs! 40 Feel-Good Hits! TV Special | 2024 | Archive Footage | Duffy (archive footage) |
| MTV 00s - Top 40 Feel-Good Anthems from the Girls! TV Special | 2024 | Archive Footage | Duffy (archive footage) |
| MTV 00s - Top 40 Unforgettable Hits from the Girls! TV Special | 2024 | Archive Footage | Duffy (archive footage) |
| MTV 00s - Happy New Year from MTV 00s! TV Special | 2024 | Archive Footage | Duffy (archive footage) |
| MTV 00s - 2008 Wrapped! TV Special | 2023 | Archive Footage | Duffy (archive footage) |
| MTV 00s - Hey Ya! 40 Feel-Good Hits! TV Special | 2023 | Archive Footage | Duffy (archive footage) |
| MTV 00s - Top 40 Anthems of Y2K8! TV Special | 2023 | Archive Footage | Duffy (archive footage) |
| MTV 00s - Top 40 No.1 Hits in Europe! TV Special | 2023 | Archive Footage | Duffy (archive footage) |
| MTV 00s - Top 40 Euro Chart of the Decade! TV Special | 2023 | Archive Footage | Duffy (archive footage) |
| MTV 00s - Non-Stop Y2Ks! TV Series | 2023 | Archive Footage | Duffy (archive footage) |
| MTV 00s - Top 40 Worldwide Anthems from the Girls! TV Special | 2023 | Archive Footage | Duffy (archive footage) |
| MTV 00s - The 40 Greatest Hits! TV Special | 2021 | Archive Footage | Duffy (archive footage) |
| MTV 00s: Non-Stop Nostalgia TV Series | 2021–2023 | Archive Footage | Duffy (archive footage) |
| Sky News Today | 2020 | Archive Footage | Self (archive footage) |
| Jeremy Vine | 2020 | Archive Footage | Self (archive footage) |
| A Life on Screen TV Series | 2016 | Archive Footage | Self (archive footage) |
| This Morning | 2009 | Archive Footage | Self (archive footage) |
| Almost Famous II | 2009 | Archive Footage | (archive footage) |
| Loops! | 2008 | Archive Footage | Self (archive footage) |