L. Stepankaitė was born in 1953. From 1969 to 1972 she was studying at J. Miltinis’Theatre Studio in Panevėžys Drama Theatre (now Juozas Miltinis Drama Theatre). Actress used to work both at Panevėžys Drama Theatre and Klaipėda Drama Theatre. From 1976 to 1980 L. Stepankaitė was studying at the Lithuanian State Conservatoire (now Lithuanian Academy of Music and Theatre) in Klaipėda. Since 1990 she has been acting at the National Kaunas Drama Theatre.