Not her. Holly's face is bony and she looks older.
(I checked Brazzers website to be sure, Holly Sampson seems to have three scenes there and this is not one of them.)
Anna (Anna Lind-Hansen), Jo, Rebecca (Rebecca Morgan), and Brigitte:
http://zooweekly.com.au/girls/galleries/australias-sexiest-housemates-strip.htm
Rebecca Morgan
http://www.starnow.co.uk/RebeccaM10
I think her name on medicalfuckers.com is Irenka.
Here is a gallery of her:
http://galleries.medicalfuckers.com/mf-0008.html
I couldn't find any more of her with the name Irenka. An alias/aliases or more content will be appreciated.
The hostess is Doğa Rutkay, an actress. Here is her IMDB profile:
http://www.imdb.com/name/nm1728853/
The blonde is a singer (I didn't know her in fact), it appears that she has some nudes:
http://www.mankenresimleri.net/pictures/turk_guzeller/zeynep_mansur?s=gopage2