He has acted in a number of films, including Sagan by Diane Kurys and Le Chant du loup by Abel Lanzac and he has acted in a number of TV series, mini-series, and TV films, including the series Kaboul Kitchen by Allan Mauduit and Jean-Patrick Benes.

However, he gave up his place to stage his first show, Une folle journée, an adaptation of Mariage de Figaro by Beaumarchais.

He created the show in 2005 at the Festival d'Avignon Off in the théâtre des Corps Saints, playing the role of the Count.

In January 2014, he wrote his second play, Le Cercle des illusionnistes, which was produced at the théâtre de La Pépinière in Paris.

[10] In 2017, he created Intra Muros at Théâtre 13, a play that was part of a theatre course in a prison; it examined the history of various characters.

The play's lead actors included Jeanne Arènes, Bernard Blancan, Alice de Lencquesaing, Paul Jeanson and Faycal Safi.The music and soundtrack were done on stage by Raphaël Charpentier.

[11] Michalik appeared in the television series Diane, femme flic on TF1 between 2002 and 2004, playing the role of lieutenant Sam.

He then had roles in a number of TV films, series and sagas, including Petits meurtres en famille and Terre de lumière on France 2.

He acted in the films Sagan by Diane Kurys, L'Autre Dumas by Safy Nebbou, L'Âge de raison by Yann Samuell, Des gens qui s'embrassent by Danièle Thompson, La Banda de Picasso by Fernando Colomo, and 24 jours, la vérité sur l'affaire Ilan Halimi by Alexandre Arcady...

[16] The show received five nominations for the French Trophées de la comédie musicale, winning the best production.