In the 1980s he returned to Argentina with his wife and son to direct films.
In the 1970s he lived in Antwerp, Belgium, where he worked in the diamond industry.
Oscar Kramer was an Argentine film producer.
K&S Films, the film company founded by Kramer together with businessman Hugo Sigman , has produced very relevant Argentine films, both for the national and international scene.
He worked in the cinema of Argentina when he was young.