Walker's early professional acting included work in "lesser-known plays in smaller theaters" and performing in touring troupes of
Cats,
Les Miserables, and
Once on This Island. and a Fanny Award. She also toured nationally with
The Lion King as Rafiki. In 2005, her role of Joanne in the
film version of
Rent was played by
Tracie Thoms. Walker stated that she was not offered the film role due to her age. At her request, however, the producers cast an actress of African descent. In 2012, she had a recurring guest spot on the Showtime series
The Big C. She is the founder and president of Big Spoon Productions, which produces and directs screenplays and teleplays. , Walker-Browne was a voice instructor at the Music and Art Academy in
Matawan, New Jersey. ==Filmography==