Her death was confirmed by the National Black Theatre.
A cause has not been disclosed.
Other television credits includeThe Good Wife, 30 Rock, Person of InterestandMadam Secretary.
Lynda Gravátt in 2016Jason Smith/Everett Collection
Greatness, wrote actor Viola Davis in a social media post.
Rest well Lynda Gravat.
She is survived by sons David and Oge; five grandchildren, and other extended family.
