There were many passengers of various and different backgrounds who were boarding into the first-class compartments, comprising the main principals of the film (including two ""fallen women""):Hui Fei (Anna May Wong), an Eurasian (but American-bred) prostitute, with a suspect background, who appeared to be running awayShanghai Lily (Marlene Dietrich), a European lady also with a questionable reputation (a "courtesan")Captain Donald Harvey (Clive Brook), a stalwart British medical doctor on a mission to operate on the Governor-General of ShanghaiReverend Carmichael (Lawrence Grant), a fervent Christian missionary, judgmental and impatientMrs.He foreshadows the clashing, sizzling love-hate relationship hat they develop in each other""s company.Kyle had privately planned to woo Lucy even further.With straight-talk candor, he was beginning to soften her up - and hinted at what he was expecting from her in return: ("We""re past the point of no return") - she smiled in response.He volunteered to be brought in, through a rendezvous with Nicky Parsons (Julia Stiles), Treadstone""s operative in Paris two years earlier.