I am from Atlantic Canada (New Brunswick), so I have a pretty neutral accent (in my opinion anyways). My father's side of the family was French Canadian/Acadian while my mum is straight from England, so I can do either my real accent, a sorta French one and a pretty good English one (depends on what area of England you want).
I make films, so I am a decent enough actor as it is. I can do a range of voices, so whatever is needed can be attempted.
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I may be able to help with this, either myself or through French Canadians that I know. Actually, I live about 10 Km from the largest military base in the Commonwealth, CFB Gagetown. I wonder if anyone from there would be interested in the project...