Verified answer

the black guy (Terry Crews) was in a comedy with the Wayan's brothers called white chicks tha'ts about all I've seen him in but here's a full list of movies he's been in

http://www.imdb.com/name/nm0187719/

As for the other dude he really hasn't been in much and certainly nothing I've seen with the exception of the expendables but here's his movie list http://www.imdb.com/name/nm1330276/

Terry Crews http://www.imdb.com/name/nm0187719/

Randy Couture - Ultimate Fighter http://www.imdb.com/name/nm1330276/

But this will tell you a bit more about the actors http://deadspin.com/5935708/your-expendables-2-pow...