Andrius Gaučas was born on 14 June, 1992, Kaunas. In 2011–2015, he studied at the Lithuanian Academy of Music and Theatre. The actor was taught by theatre teachers Vytautas and Veltas Anužius. In 2014, he worked at Juozas Miltinis Drama Theatre (who is an actor from the National Kaunas Drama Theatre). In 2016–2017, the actor studied at the prestigious East 15 Acting School at the University of Essex, MA.