Jake would be some kind of morally correct politician, aka one that never is ellected
Cassie would work with her parents at the gardens, Surprise bet ya never saw that one coming!
Marco would be the next host on SNL or some incarnation of that show.
Rachel would be some evil evil Government agent, you know the kind that tortures the person even if they ARE answering the questions.
Tobais would be emo and end up in some emo/goth band until he commited suicide.
Aximili well he would be a successful Prince until he eventually accidently blew up earth to stop the Yeerks because no "Andilite Bandits" were there... oops?