He is best known for his role on the Cris Morena television series Casi Ángeles playing Thiago Bedoya Agüero, and as a member of the music group Teen Angels.

In 2006, made his television debut playing Tábano on the Argentine series Chiquititas produced by Cris Morena, starring Jorgelina Aruzzi and Gaston Ricaud, which aired on Telefe.

"[2] In a survey conducted in the electronic version of the Argentine newspaper La Nación, Peter Lanzani was chosen as the "best of the small screen heartthrob 2010".

In June 2012, he made a special appearance on the telenovela Dulce Amor, starring Carina Zampini and Sebastian Estevanez, in where he played Fede.

[7] The following year, Lanzani received a proposal from Cris Morena, who gave him his first job in television to star in the series Aliados[8][9] which started airing on Telefe in June 2013.