A playlist of the featured clips can be found here:
http://www.youtube.com/view_play_list?p=45694196D46C03F1

American: Missy Elliott
British: Lady Sovereign
Cantonese: LMF
Chinese (actually Mandarin): 王力宏 (Wang Lee-hom)
Croatian: Tram 11
Danish: Malk de Koijn
Filipino (Tagalog): Gloc-9
Finnish: Pikku G
French: Booba
German: Samy Deluxe
Greek: Stereo Mike
Hebrew: 360 שי (Shi 360)
Hungarian: Ganxsta Zolee
Icelandic: Forgotten Lores
Italian: Frankie Hi-NRG MC
Japanese: Japanese Rap Sta
Korean: 윤미래/Yoon Mi Rae (Tasha/T)
Mongolian: Ice Top
Norwegian: Don Martin (Gatas Parlament)
Polish: Abradab
Portuguese: Ruas
Romanian: Daddy Caddy (B.U.G. Mafia)
Russian: Михей (Mihey)
Slovenian: Murat & Jose
Spanish: Violadores del Verso (Doble V)
Swedish: Fronda
Swiss: EKR
Turkish: Ceza
Vietnamese: VNR
Wolof: Bad's Diom