Emilie de Ravin News

According to E! Online, Mader has booked a major role on ABC's hit fantasty series ONCE UPON A TIME, taking on a secret, though 'iconic fairytale villain' role. Her first appearance will come in the midseason finale on Dec. 15, and she'll stick around throughout the rest of the season.

ABC Family announces January 2014 Programming Highlights

According to TV Line, THE ORIGINALS' Alexandra Metz has signed on for the role, with a rumored option to extend her deal past for future episodes. Metz will appear in the 14th episode of this season, set to air on March 9.

On the next episode of ABC's ONCE UPON A TIME titled 'The New Neverland',a triumphant return to Storybrooke is scarred by age old grudges, hidden dangers, and a terrifying new threat.

On the next episode of ABC's ONCE UPON A TIME titled "Save Henry", while Henry's life hangs in the balance, the race is on to stop Pan from gaining full magical powers from the heart of the truest believer.

Christopher Gorham (USA's Covert Affairs) will guest star on ABC's ONCE UPON A TIME this season, according to Entertainment Weekly. He is set to appear in the 12th episode.

On the next episode of ABC's ONCE UPON A TIME titled "Dark Hollow", from under the sea, to the shores of Storybrooke - the battle to reunite their family comes home - now, the fate of Neverland is in their hands!

One of the worlds most beloved characters comes to life on the next episode of ABC's ONCE UPON A TIME. But as the tale unfolds, expect the unexpected!

Below, get a sneak peek at the next episode of ABC's ONCE UPON A TIME titled 'Good Form.' The episode airs Sunday, October 27th at 8/7c on ABC.

On the next episode of ABC's ONCE UPON A TIME titled "Good Form", take to the skies and uncover the true origin of the world's most charming swashbuckler as the battle for Neverland rages on!

According to TV Guide, ABC's fairy tale drama will welcome British actor Stephen Lord to its cast for a single episode, in which he will take on the role of The Dark One's father. Lord will appear in a flashback on the Nov. 17 episode.

On the next episode of ABC's ONCE UPON A TIME titled 'Nasty Habits', the moment of truth has arrived, but when the enemy is this powerful, survival means facing their greatest fears.

Want to be spoiled? Click to play above and watch the ONCE UPON A TIME panel at Comic Con where they talk about both the original show and the new ONCE UPON A TIME IN WONDERLAND spin-off show.

In the season premiere episode, 'Heart of the Truest Believer,' as Emma, Mary Margaret, David, Regina, Mr. Gold and Hook enter Neverland to search for a kidnapped Henry, they're greeted by a school of not-to-friendly mermaids who threaten to end their search before it begins