Niels Arestrup is a French actor, film director and screenwriter. His father was Danish and his mother was French. He has won two César Awards for Best Supporting Actor for De battre mon cœur s'est arrêté and Un prophète, both films where he was directed by Jacques Audiard.
| Series | Black Butterflies | Albert Desiderio | 2022-09-22 |
| Movie | Jacques Audiard, le cinéma à cœur | Self - Interviewee | 2021-05-16 |
| Movie | Villa Caprice | Luc Germon | 2021-06-02 |
| Movie | The Sisters Brothers | 2018-09-19 | |
| Movie | At Eternity's Gate | Madman | 2018-11-15 |
| Movie | Return to Montauk | Walter | 2017-05-11 |
| Movie | See You Up There | Marcel Péricourt | 2017-10-25 |
| Series | Baron Noir | Francis Laugier | 2016-02-08 |
| Movie | So Long Africa | Jacques | 2015-07-29 |
| Movie | By the Sea | Michel | 2015-11-12 |
| Movie | Diplomacy | General Dietrich von Choltitz | 2014-03-05 |
| Movie | 96 heures | Victor Kancel | 2014-04-23 |
| Movie | The Dune | Ruben | 2014-08-13 |
| Movie | The French Minister | Claude Maupas | 2013-11-06 |
| Movie | Our Children | André Pinget | 2012-05-30 |
| Movie | War Horse | Grandfather | 2011-12-25 |
| Movie | You Will Be My Son | Paul de Marseul | 2011-08-23 |
| Movie | Behind Bars | Self | 2010-02-17 |
| Movie | Sarah's Key | Jules Dufaure | 2010-09-16 |
| Movie | Small World | Thomas Senn | 2010-12-16 |
| Movie | The Big Picture | Bartholomé | 2010-11-03 |
| Movie | A Prophet | César Luciani | 2009-08-26 |
| Movie | Farewell | Vallier | 2009-09-23 |
| Movie | The Candidate | Georges | 2007-04-11 |
| Movie | The Diving Bell and the Butterfly | Roussin | 2007-05-23 |
| Movie | Fragments of Antonin | le professeur Lantier | 2006-11-08 |
| Movie | The Beat That My Heart Skipped | Robert Seyr | 2005-03-16 |
| Movie | A Private Affair | Le père de Rachel | 2002-04-30 |
| Movie | Parlez-moi d'amour | Richard | 2002-10-09 |
| Movie | Lulu Kreutz's Picnic | Jascha Steg | 2000-01-19 |
| Movie | Rewind | Fabrice Rivail | 1998-07-07 |
| Movie | Délit mineur | Claude | 1994-03-23 |
| Movie | Albert Savarus | Albert Savarus | 1993-01-30 |
| Movie | Meeting Venus | Zoltan Szanto | 1991-09-18 |
| Movie | Manon Roland | Danton | 1989-12-28 |
| Movie | La Ruelle au clair de lune | Professeur Hans Klemm | 1988-11-10 |
| Movie | Ville étrangère | Gregor Keuschnig | 1988-07-24 |
| Movie | La Rumba | Detaix | 1987-02-18 |
| Movie | Doux amer | Jean | 1987-10-17 |
| Movie | Charlie Dingo | William | 1987-10-07 |
| Movie | Sincerely Charlotte | Mathieu | 1985-02-20 |
| Movie | Diesel | Nelson | 1985-08-07 |
| Movie | Among Wolves | Mike | 1985-12-31 |
| Movie | The Future Is Woman | Gordon | 1984-09-05 |
| Movie | La danse de mort | Kurt | 1982-01-01 |
| Movie | La Cerisaie | Lopakhine | 1982-01-31 |
| Movie | One Man's War | Narrator | 1982-11-17 |
| Movie | Alone | Jean | 1981-10-07 |
| Movie | La Femme flic | Dominique Allier, le photographe de la MJC | 1980-01-08 |
| Movie | Memoirs of a French Whore | André | 1979-10-17 |
| Series | Le Tourbillon des jours | Germain | 1979-03-16 |
| Movie | The Song of Roland | Le commerçant / Oton | 1978-10-04 |
| Movie | Plus ça va, moins ça va | Vincent | 1977-08-16 |
| Movie | The Sorceror's Apprentice | Danton | 1977-09-28 |
| Movie | Lumière | Nano | 1976-03-24 |
| Movie | Tomorrow's Children | Philippe | 1976-08-18 |
| Movie | A Second Chance | Henri Lanot | 1976-09-30 |
| Movie | The Big Night | Léon | 1976-10-01 |
| Movie | Miss O'Gynie and the Flower Men | Yves | 1974-05-05 |
| Movie | Je Tu Il Elle | Truck Driver | 1974-11-19 |
| Movie | Stavisky... | Rudolph, le secrétaire de Trotski | 1974-05-15 |