Alice 2 Cameo: This Could Be It

Thanks to @Crissyinwm, who seems to have been the first to pick it up in the latest vid from Disney on National Siblings Day.  ( At 0:05)

A sister is a friend for life… #NationalSiblingsDay #ThroughTheLookingGlasshttps://t.co/HBAG4HBdVT

— Walt Disney Studios (@DisneyStudios) April 10, 2016

ETA: see here

Hmm! Wonder if *this* King has a speaking part? 👑 #RichardArmitage #cameo #ThroughtheLookingGlass pic.twitter.com/FHK7mKOHtr

— Chrissyinwm (@chrissyinwm) March 20, 2016