If you base the casting on Famke Janssen's actual age and Apoclypse taking place in 1983, those actresses are only a couple of years younger than Jean should be. But since James Marsden in 9 years younger than Janssen, than we can assume that Jean is younger than Janssen, so Moretz and Steinfeld at least are around… » 11/19/14 6:29am 11/19/14 6:29am