Marie Bunel followed the course of the Lee Strasberg Institute in Los Angeles and became the student of Blanche Salant at the American Center of Paris. Her career began under the direction of Michel Lang in 1977 in L'hotel de la plage and followed in 1982 in La Boum 2 by Claude Pinoteau. She worked with Claude Chabrol (Le Sang Des Autres ; Une Affaire de Femme ; La Fille Coupée En Deux, Bellamy), Christian Vincent (La Discrète), Robert Enrico (La Révolution Française), Claude Lelouch (Les Misérables), Christophe Barratier (Les Choristes ; La Nouvelle Guerre Des Boutons). She was recently in "Jappeloup" by Christian Duguay with Guillaume Canet and Daniel Auteuil and in the latest feature film by Bertrand Tavernier, Quai d'Orsay.

She was nominated in 1995 for the Cesar of the Best Promising Actress for her role of Isabelle in Couples et Amants by John Lvoff. More recently, she was nominated for Best Actress at the Australian Academy Of Cinema and Television Arts for her role in An Accidental Soldier directed by Rachel Ward.

On television, she starred in many different dramas, notably with Michel Boujenah and Charles Berling in Les Inséparables, by Elisabeth Rappeneau, she was in the first and the second season of La Cour Des Grands directed by Christophe Barraud and on Canal + in the Tunnel serie with Clémence Poésy and English actor Stephen Dillane. Recently we have been able to see her on France 2 in Main courante, a serie directed by Jean-Marc Thérin.

Marie has just finished filming Coup de coeur with Pierre Arditi for France 2, under the direction of Dominique Ladoge, and Travelingue an adaptation of the novel by Marcel Ayme directed by Gérard Jurd'hui for France 2. On theater she worked with stage director Roger Planchon in the Radeau de la Méduse, Jean-Jacques Zilbermann in Boutique au coin de la rue, Stéphane Hillel in Le meilleur professeur or Patrice Kerbrat in Oncle Vania play that she will resume in 2009, but under the direction of Claudia Stavisky. In 2013, Marie was at the Opéra Comique in Cendrillon adapted and directed by Thierry Niang Thieû. She also played in Autumn Dream directed by Patrice Chéreau, She's in Le Système in Théatre Antoine, directed by Didier Long and her last movie was realased the 20th of May A court d'enfants, a movie by Marie-Hélène Roux. Marie Bunel will be the lead actress of Links of life, directed by Marie-Hélène Roux, shooting in autumn 2015 with American actor René Heger.