Okay.. we've had enough exposure of all the races in-game and their voices. Trying to roughly nail, if possible the general direction of the accent.
Trolls (all groups) - Jamaican
Dwares (all groups) - Scottish
Human - American english (unknown region)
Gilnean - British cockney
Forsaken - posh american (new york Manhattan -with creepy undertone)
Blood/High Elf - posh American (Manhattan Lower east side type)
Night elf (nightborne/highborne) - aristocrat english/ 50s/60s middle/upperclass English. [some african american tinged accents too]
Tauren - native american or unaccented african american? - with a hollow effect
Orcs - Klingon or unaccented african american english - with a gruff effect
Gnome - alvin and the chipmunks squeak - canadian? or u.s. american accent - Boston?