His leading roles include Tevye in the 2018 Broadway National Tour of Fiddler on the Roof,[3] Mack the Knife in The Threepenny Opera at the Gesher Theatre (winning the Israeli Theatre Award for best actor), Lysander in A Midsummer Night’s Dream, Figaro in The Marriage of Figaro, Avigdor in Yentl, Alexander Pen in Was It a Dream?, Rudi in The Aristocrats, the titular roles in Sholom Aleichem's Stempenyu and The Picture of Dorian Gray, and Zach in A Chorus Line.

Lazarov has played leading roles in more than 40 films and television productions, including The Mentalist, Mama’s Angel (Series Mania – Official Competition, France), the Israeli films The Kindergarten Teacher and The Debt, Fragile, Russian episodic series Mata Hari, The Fifth Heaven, Waltz with Bashir (winning the Golden Globe Award for Best Foreign Language Film), Three Mothers, A Touch Away, and The Dybbuk (nominated for best actor).

As a theater director, Lazarov has served as the adapter, set designer, and choreographer for all his projects, including Lolita / Joan of Arc, Fathers and Sons, Alice, Falling Out of Time (based on the David Grossman novel) at the Gesher Theater, The Picture of Dorian Gray at the Habima Theatre, and Igloo (written by Lazarov), which premiered at the Israel Festival and won the Best Director award.

Lazarov is the artistic director and founder of Studio Ankori Middle and High School for Creative Thinking and Entrepreneurship.

As a visual artist, Lazarov's photography and video artworks have been shown in several gallery exhibitions.