The Hollywood Ten (1950) is an American 16mm short documentary. In the short, each member of the Hollywood Ten made a short speech to denounce McCarthyism and the Hollywood Blacklisting.
It was directed by John Berry and can currently be seen on the DVD film releases of Spartacus and Salt of the Earth.
Director John Berry was blacklisted upon the documentary's release. He left for France.
Reference: wiki

In his early days as an actor, Marlon Brando (1924-2004) was a shy young man with theatrical ambitions, like many others; but his charisma and superb acting skills made him truly unique, so that the doors to the starry sky of Hollywood opened for him. However, his peculiar manners, political commitment and complicated love life always overshadowed his artistic success.