This is something which I noticed a while back while browsing through the cast section on IMDB for The Dark Knight Rises and decided it seemed more relevant now with the recent spoiler revealed about Joey King's role as Talia Al Ghul.
To start out, we have long suspected Joey King's role in The Dark Knight Rises was the young version of Marion Cotillard's character Miranda Tate aka Talia Al Ghul. Although we have no official confirmation about Miranda Tate's alter ego being Talia Al Ghul, it is becoming a pretty safe bet with King's recent interview slip. Not to mention the resemblance between them:
Who I haven't heard anyone mention or speculate about is the casting of another young actor named Aramis Knight who is also credited as a cast member on IMDB. It is my guess that he has been cast in the role of the young Bane. Maybe it's just me, but I think they share a strong resemblance as well:
There is probably going to be a good deal of flash back in TDKR that explains Bane and Talia's back story, but it makes me wonder exactly what their relationship to each other is. Perhaps childhood friends simliar to that of Bruce Wayne and Rachel Dawes? This would further the idea that Bane's origin story will mirror Bruce's. Could Ras Al Ghul even be a surrogate father to Bane? Maybe his real father? I lean towards the former, but With Josh Pence confirmed as the young Ras, I'd say that either one is possible.
Although this wouldn't be accurate to the comicbook version of Bane's origin story. In the "Legacy" storyline we know that Bane is not introduced to Ras until after Bruce completes his training with the League of Shadows. But it wouldn't be the first time Nolan has reworked some of the source material which I realize annoys some people. Personally, I'm ok with it.
At any rate, this could all be old news to some people but since I have yet to read anything about it, I figured I'd go ahead and put it out there for people like me who may be behind in some of the TDKR rumors. I'll leave it up to the comments section to either shoot this theory down entirely or contribute with further speculation. I should add that this is my first post, so be gentle.