Country music power couple Tammy Wynette and George Jones are the subject of a new TV series titled George & Tammy.

On Sept. 10, Deadline reported first casting news for the show: Jessica Chastain has landed the role of the "First Lady of Country Music" — Tammy Wynette. Here are the first details.

Tammy Wynette and George Jones TV Show in the works

Wynette, best known for track "Stand By Your Man," was a music star of the 1960s and '70s, later forming a "country music couple" with George Jones upon their marriage in 1969. They had a successful run of releases as a couple before divorcing in 1975. Wynette and Jones had one child, daughter Tamala Georgette, in 1970.

Tammy Wynette: New TV series casts Jessica Chastain.

The country icons will take centre stage in George & Tammy, which is based on a book by the couple's daughter. The series is being developed by Spectrum and ViacomCBS, and it will premiere on Spectrum before also appearing on Paramount Network and a new streaming service by ViacomCBS, according to Deadline.

Jessica Chastain to play Tammy Wynette, country music icon

Two-time Oscar nominee Jessica Chastain will portray Wynette in George & Tammy. She's known for roles in Zero Dark ThirtyInterstellar, and The Martian. The 43-year-old actress will play Wynette at a time when she was in her late 20s and early 30s, presuming the series covers her years married to Jones (1969-1975).

Jessica Chastain to play Tammy Wynette in new TV show.

Of the show's story, series creator Abe Sylvia told Deadline: "We all thought we knew who Tammy Wynette was, but there is so much more to her that we never saw. Jessica [Chastain] brings her incredible depth of intelligence, empathy and strength to peel back all the layers of this country superstar."

We're watching to see news on who lands the role of George Jones, as well as details on ViacomCBS's forthcoming streaming service.

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