Jennifer Aniston, Gabrielle Union, Kathryn Hahn and Allison Tolman will star in The Facts of Life edition of Live in Front of a Studio Audience

Deadline

Aniston will play Lisa Whelchel's Blair, Union has been cast as Kim Fields' Tootie, Hahn will take on Nancy McKeon's Jo and Tolman will portray Mindy Cohn's Natalie on the Dec. 7 ABC special. They'll join Ann Dowd, who'll play Charlotte Rae's Mrs. Garrett, the girls’ housemother.