[1] Her Broadway debut was the role of Joanne Jefferson, the high-class lawyer and lover of Maureen Johnson (Idina Menzel), in the original Broadway cast of Rent.
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.
[3] 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.
As of November 2015[update], Walker-Browne was a voice instructor at the Music and Art Academy in Matawan, New Jersey.