Once Upon a Time ABC Season 4 Release Date 2014, Cast Spoilers: Actress Frances O'Connor Cast as Belle's Mother

Frances O'Connor has been cast as Belle's mother, Colette, in the upcoming season of "Once Upon a Time."

(File: ABC/File)

The Australian actress will be appearing in a series of flashbacks in the sixth episode, with a potential to return in the future, according to Entertainment Weekly.

O'Connor is best known for her role in the prime time soap "Cashmere Mafia." She is currently part of the regular cast of the U.K. period drama "Mr. Selfridge" and is set to appear on the upcoming series "The Missing."

Meanwhile, Jennifer Morrison took a break from filming by sharing a photo of her and her and other "Once Upon a Time" cast members on Twitter, according to Zap2it.com.

Morrison tweeted a picture of her and Lana Parilla, Elizabeth Mitchell, and Georgina Haig while dressed as their characters.

"Day 11: night shoot with these ladies @LanaParilla @GeorginaHaig @ElizabethMitchell 101smiles #UglyDucklings," she captioned the photo.

Haig and Mitchell are new additions to the cast. Haig is taking on the role of Elsa from Disney's "Frozen," while Mitchell's role is undisclosed. It is rumored that she could be playing a villain inspired by the "Frozen" universe.

In other news, the first six episode titles of season 4 have been revealed. The season will kick off with "A Tale of Two Sisters" which will introduce the "Frozen" characters. The next episode is entitled "White Out." The third is entitled "Rocky Road," the fourth is "The Apprentice," followed by "Breaking Glass" and the sixth is titled "Family Business."

The premiere episode of "Once Upon a Time" Season 4 airs on Sept. 28 on ABC.