'Once Upon a Time' Season 4 Spoilers: Mother Superior Slated To Return In 'Darkness On the Edge of Town?' [VIDEO]
Mother Superior (Keegan Connor Tracy) will appear on the midseason premiere of ABC's Once Upon a Time, making this her second appearance of the season.
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Last appearing in the episode Fall, Mother Superior is on the roster to appear in a guest role in Darkness on the Edge of Town, according to a new plot synopsis for the episode. Mother Superior was last seen being swallowed by Mr. Gold's (Robert Carlyle) sorcerer hat. It remains to be seen how she will be returning in the midseason premiere.
Other guest stars include Beverley Elliott as Granny, Merrin Dungey as Ursula, Victoria Smurfit as Cruella De Vil, Michael Querin as Banker, Panou as FBI Agent and Kristin Bauer van Straten as Maleficent.
In other Once Upon a Time news, actress Agnes Buckner has been cast for a three-episode arc that will air during the second half of the season, as reported by The Hollywood Reporter this week. However, there are no other details on her appearance, including when she will debut as her character and the identity of her character.
Buckner is famous for playing the late Anna Nicole Smith in the Lifetime biopic The Anna Nicole Story. She is also slated to star in the U.S. remake of The Returned, an acclaimed sci-fi series from France.
Once Upon a Time airs its midseason premiere on Sunday, March 1 at 8 p.m. ET/PT on ABC.
Watch the promo for the next episode of Once Upon a Time here: