Berlin was no doubt bangkock of europe in those days
'Cabaret' (starring lisa minneli,joey grey,michael york) portrayed him as a bi
New one from BBC:'Christopher and his kind': He went to berlin for boys(torrent uploaded below).Be warned of some excessive alternative lifestyle scenes.Matt Smith was also a Doctor Who actor
'I am a camera' (an old movie I luckily found a DVD in HK), also autobiografic, in hetero 1st person played by laurence harvey(the manchurian candidate 1962)