Ilja Baumeier is a Swiss-German stage and film actor. He was born in Basel, Switzerland. After graduating from acting school in Freiburg, Germany in 2016 he performed in So ist es at Theater Marienbad, in Gretchen 89 ff. at Theater Spielzimmer and in the premiere of Michelle Steinbecks Das Schweigen des Nepomuk, Der zerbrochene Spiegel and Die letzte Schlacht at Neuestheater Dornach (director: Jonas Darvas). In the fall of 2019, he was part of the first production of the artist collective Flex Colectivo, which will be an adaptation of Goethe’s Werther, endowed by the Denk an Mich foundation.
 He played in several short and feature films, e.g. in the episodic film Rien ne va plus, which was screened at the Solothurner filmfestival in 2017. In the fall of 2018, he shot the second season of the SRF TV series Seitentriebe in a recurring role, (director: Güzin Kar), as well as the SRF production Dynastie Knie, playing the part of Fredy Knie junior.
 In 2016 he was awarded into the Swiss portal to support young actors Junge Talente Schweiz. He is represented by Cinova Schauspieleragentur Potsdam-Berlin.