What next?

Even after the last three amazing months, where things have just been getting better and better (and better and better), I'm still left with one burning question...

Out of Omar, Jennifer, Jesse, Peter, Kal, and Olivia, who's staying and who's going after this year? Are they all going to stay? They going to change the opening sequence at any point?

This is going to bother me until I get my answer...