"Downton Abbey" has cast Gary Carr to play the show's first black character, a jazz singer named Jack Ross.

ITV announced Carr's Season 4 casting. Carr's jazz singer character is described as a "charming and charismatic young man."

“We are delighted to introduce another fantastic, dynamic character to 'Downton Abbey,'" Gareth Neame, an executive producer of "Downton Abbey," said in a statement. "His addition will bring interesting twists to the drama which we can’t wait for viewers to see in Series Four."

Carr's other UK TV credits include "Bluestone 42" and "Death in Paradise."

Carr joins previously announced new cast members Dame Kiri Te Kanawa, Tom Cullen, Julian Ovenden, Nigel Harman, Joanna David and Dame Harriet Walter. Eagle-eyed "Smash" viewers will recognize Ovenden from his time playing Simon, JFK in "Bombshell," opposite Megan Hilty as Ivy Lynn.

Shirley MacLaine will also return to the series as Martha Levinson
, Cora's (Elizabeth McGovern) mother.

"Downton Abbey" Season 4 will be eight episodes and also feature a Christmas special.

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  • Lady Mary and Brason

    "Downton Abbey" Season 4

  • Daisy

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  • Mr. Carson

    "Downton Abbey" Season 4

  • Lady Rose

    "Downton Abbey" Season 4

  • Lady Mary

    "Downton Abbey" Season 4

  • Branson and Sybil

    "Downton Abbey" Season 4

  • Season 4 cast: Tom Cullen

    Cullen will play Lord Gillingham, a family friend of the Crawleys who visits the family as a guest at a house party. He's <a href="http://www.huffingtonpost.com/2013/03/02/downton-abbey-lady-mary-boyfriend_n_2796504.html?utm_hp_ref=tv" target="_hplink">one of Lady Mary's potential suitors</a>, along with ...

  • Season 4 cast: Julian Ovenden

    Ovenden will play aristocrat Charles Blake, <a href="http://www.huffingtonpost.com/2013/03/02/downton-abbey-lady-mary-boyfriend_n_2796504.html?utm_hp_ref=tv" target="_hplink">another potential love interest for Lady Mary</a>.

  • Season 4 cast: Dame Harriet Walter

    Walter will play Lady Shackleton, an old friend of the Dowager Countess.

  • Season 4 cast: Joanna David

    David will appear in a guest role as the Duchess of Yeovil.

  • Season 4 cast: Nigel Harman

    Harman will play Green, a valet.

  • Season 4 cast: Dame Kiri Te Kanawa

    Te Kanawa will play a guest who sings in the house.

  • Season 4 cast: Shirley MacLaine

    Shirley MacLaine will also return for the Season 4 finale.

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