Tammy O'Rourke, the sister of Heather O'Rourke from Poltergeist, was one of the "dancing" orphans in the 1982 Annie film, and can also be seen several times in LIGHTS, CAMERA, ANNIE! during the filming of "It's a Hard Knock Life." She is also featured on one two of the stickers in the ANNIE Panini sticker album. In an interview she said how fun it was to have a real pillow fight and do flips on beds, etc.
Meredith Salenger from The Journey of Natty Gann was also a dancing orphan.