| Year | Title | Role | Notes |
| 2000–2001 | Jardins Proibidos | Sara | Main CastPortuguese soap opera broadcast by TVI |
| 2001 | Filha do Mar | Constança Valadas |
| Querida Mãe | Zezinha | Portuguese television film broadcast by SIC |
| Elsa, Uma Mulher Assim | Mónica | Portuguese miniseries broadcast by RTP Season 1, Episode 11 |
| 2004 | Inspector Max | Verónica Botelho | Portuguese TV series broadcast by TVI 1 episode, "Marcas do Passado" |
| 2005–2006 | Dei-te Quase Tudo | Rita Cruz | Main CastPortuguese soap opera broadcast by TVI |
| 2006 | Dança Comigo | Herself | Portuguese version of Dancing with the Stars broadcast by RTP Winner of the first season |
| 2006–2007 | Tu e Eu | Daniela Pinto | Main Cast Portuguese soap opera broadcast by TVI |
| 2008 | Casos da Vida | Rita | Portuguese TV series broadcast by TVI 1 episode, "Passo em Falso" |
| 2009 | Guiding Light | Gigi | Season 1, Episode 15628 |
| NCIS | Kensi Blye | 2 pilot episodes: "Legend"She was part of a guest cast including Chris O'Donnell, LL Cool J, Barrett Foa, Peter Cambor and Louise Lombard |
| 2009–2023 | NCIS: Los Angeles | Series regular, 277 episodesGolden Globe Award (Portugal) for Newcomer of the Year TV Action Icon Award 2011 of Celebrity & Stuntwomen's Awards Nominated-Teen Choice Award for Choice TV Action Actress. |
| 2011 | Hawaii Five-0 | Crossover with NCIS: Los AngelesEpisode: "Ka Hakaka Maika'i" |
| 2018 | Eurovision Song Contest 2018 | Herself | Hostess |
| 2020 | A Espia | Maria João Mascarenhas | Main Cast Portuguese miniseries broadcast by RTP |
| 2023 | The Traitors | Herself | Host |
| 2023 | Turn of the Tide | Fátima | Supporting castPortuguese thriller series from Netflix |