In 1991 to 1992 she was featured in the Fox sitcom True Colors about an interracial family.
In 1999, Brannagh guest starred on a season 2 episode of the TV series Charmed ("That Old Black Magic") as an evil witch named Tuatha.
In 2007, she landed a role in the Lifetime series Army Wives, in which she portrayed Pamela Moran for six seasons until Spring 2012.
She starred in Hallmark movie Crush on You, which aired in June 2011 and in independent movie Not That Funny.
Soon after leaving Army Wives, Brannagh joined the cast of the proposed ABC drama series Gilded Lillys as Elizabeth, the matriarch of the Lily family. The show began filming in March 2012 in Boston after being ordered in late January. Gilded Lillys was created and produced by Shonda Rhimes. However, ABC did not pick up the series.
