re: charities
They seem to have some contacts with local refugee support groups. Maybe they'll have some sort of exit collection.
There are some links here on their "Parallel Lives" page :
http://www.thetransportsproduction.co.uk/parallel-lives/ 

~~~~~~~~~~~~~
Matthew Crampton (the narrator) has written a book and show Human Cargo.
Info and interesting short video about it here
http://humancargo.co.uk/m.home.html 
& SoundCloud link to him with The London Lubbers in the show
https://m.soundcloud.com/user-919240888/human-cargo-summary-of-the-show