Julen Guerrero Calvo (born in Castro Urdiales on 27 March 1996) is a Spanish film, theater and television actor and stage director.

Later, he graduated in theater at the Higher School of Dramatic Art of Castilla y León of Castile and Leon (in Valladolid), specializing in stage direction and dramaturgy.

In 2013 he performed the play The Lower Depths by Maxim Gorky, a production at the Campos Elíseos Theatre, directed by Spanish stage director David Valdelvira, together with Ane Inés Landeta, among other cast members.

In 2014 he performed the play A Midsummer Night's Dream by William Shakespeare, playing the role of Theseus, a theatrical production at the Campos Elíseos Theatre, directed by Spanish stage director David Valdelvira,[2][3] and with Estela Celdrán as an assistant director, together with Carmen Climent, Nerea Elizalde, Lorea Lyons and Ane Inés Landeta, among other cast members.

[12] Guerrero is a co-founder and member of the theater company Atrote Teatro (created in 2017),[14][15][16] with which he has staged works such as A slight discomfort (2018), I, eromen (2019) or The loaves and the fishes (2022).