Trained by Jacqueline Duc, who introduced him to classic texts, then by Robert Cordier, where he immersed himself in the techniques of The Actors StudioActors Studio, and then at the Studio Pygmalion, Thierry had his first experience of acting on stage with authors such as Beckett, Duras, Büchner, Shakespeare, Molière, Dubillard, Marivaux, Courteline and Strindberg, and also spent time with the Dijon street theatre company Les 26 000 Couverts.

But he was soon drawn to the television screen, where he remained for the next 15 years, starting with the hit series Spiral for Canal Plus, followed by 7 seasons of Un village français for France Télévisions. This was followed by a number of roles, including in some outstanding made for television films such as La Disparition by Jean Xavier de Lestrade, Les Complices by Christian Vincent, the collection Les Dames by Alexis Lecaye and Palace Beach Hôtel by Philippe Venault.

It was Philippe Lioret who got him started in the cinema with Welcome, followed by Anything For Her by Fred Cavayé, and more recently Juillet Août and Le Monde d’Hier by Diastème, La Sainte Famille by Louis-Do de Lencquesaing, Sans Toi by Sophie Guillemin and La Gravité by Cédric Ido; but he hasn’t left the small screen either, appearing in the series Germinal by David Hourrègue, Oussekine by Antoine Chevrolier, Cœurs Noirs directed by Ziad Doueiri for Amazon Prime, and made for television films including La Dernière Reine de Tahiti by Adeline Darraux, Un destin inattendu by Sonia Rolland and L’école des espions by Elsa Bennett, for which he has just finished filming.

On the international front, Thierry appears in season 2 of the Spanish and Japanese mini-series The Head, broadcast on Canal Plus, as well as Andor, an American series based on the Star Wars universe.