I have performed a very diverse number of native English accent dialects, as well as foreign dialects speaking English, usually with good results. I can perform any accent or dialect needed as long as there is a sample to work from.
Accents I have performed include:
US - all regions & dialects
UK - all regions & dialects
Ireland
South Africa
Australia/New Zealand
Jamaican
Caribean (generic)
Asian accents:
Korean, Japanese, Chinese, Southeast Asian (generic) Indian, Pakistani, Persian (Iran), Arabic, Hebrew
European accents
French, Dutch, German, Scandinavian (generic), Russian, Baltic (generic), Eastern European (generic), Italian, Greek
South American - Hispanic
Mexican, Brazillian, Argentine, other hispanic generic.
If I can hear it, I can imitate it.