Nicolas Cage, Ryan Reynolds, and Emma Stone confirmed for The Croods 2

A script may not even be written yet, but the main stars of "The Croods" are already confirmed to reprise their roles in an upcoming sequel.
According to directors Chris Sanders and Kirk DeMicco in an interview with ComingSoon.net, Nicolas Cage, Ryan Reynolds, and Emma Stone will all board the new family flick.
-I.
source:celebritygossip