At that time, she was a promising yet unknown actress when a casting director from a modeling agency offered her an audition at the cable music channel, Vía X.

She went on to participate in successful and memorable soap operas such as Iorana, La fiera, Romané, Pampa ilusión, Puertas adentro, Los Pincheira, and Cómplices, among others.

Lewin made her debut in the film industry as a lead actress in the horror movies Ángel negro (2000) and Sangre Eterna (2002), both directed by Chilean filmmaker Jorge Olguín.

Her exceptional performance in the movie Sábado by Matías Bize earned her the Best Actress award at the Mannheim-Heidelberg International Film Festival in Germany.

This role established her as one of the prominent female faces in the drama department of the channel and solidified her position as one of the most important actresses in Chile.