She made her Broadway debut in the play Clybourne Park written by Bruce Norris and directed by Pam MacKinnon.
[1] She also received an MFA from the University of Illinois at Champaign-Urbana and studied at the London Academy of Music and Dramatic Art.
[2] Dickinson is best known for her role on the Showtime series The CHI as Detective Toussaint.
She has also appeared in other TV series such as New Amsterdam, Feed the Beast, House of Payne and The Good Wife and the films I-Origins and This is Where I Leave You.
In 2024, Dickinson starred in August Wilson's Gem of the Ocean at Two River Theater in Red Bank, New Jersey.