Innocence Unprotected (1968)
Innocence Unprotected is a compilation film by Yugoslavian director Dušan Makavejev. Makavejev's film is based on a 1941 film Nevinost bez zaštite in Serbia by Dragoljub Aleksić that was never released. In 1968, Makavejev established the film and expanded it with newsreel footage and interviews with surviving cast members.
More at Wikipedia.