Osvaldo Laport came to Buenos Aires in 1976 and started to study drama at Luis Tasca's Drama School. In order to support his acting classes and pay his room in a hotel downtown he had to work in some jobs as clown, warehouse employee and bricklayer. In 1979 he met Viviana Sáez in the same school, who he married the following year. Then, Osvaldo's drama teacher, Luis Tasca, called him for to work in the play 'Adiós Juventud'. His acting performance got the attention of Santiago Doria who offered him the leading role in Oscar Wilde's 'The importance of being Earnest', another important play in Argentina. In 1983, Luis Tasca supported Osvaldo again for him get a bit part in the soap opera 'Cara a Cara', starring Verónica Castro. His works in TV during the 80s brought him success and in 1990 he was cast in a leading role opposite Jeanette Rodríguez in the remake of 'Pobre diabla'. The following year, another hit in Argentina and Europe 'Cosecharás tu siembra' with Luisa Kuliok gave him a successful career for the rest of the decade. His mayor achievement was a Martin Fierro Award (1999/2000) as Best Actor in a Comedy for his performance as Guido Guevara in 'Campeones'.