The Secret Circle, which will premiere in September, stars Britt Robertson as a young girl called Cassie who discovers that she is a witch.
Browning has now signed up to play Sally Matthews, who is described as an "outsider" in the LJ Smith novels upon which the series is based.
Sally, who is not a witch, soon becomes friends with Cassie.
Browning is best known for her role as Brianna in Meet the Browns. She also appeared in Summerland and played Sasha in the Bratz movie.
The Secret Circle also stars Thomas Dekker, Ashley Crow, Natasha Henstridge, Louis Hunter, Phoebe Tonkin, Gale Harold, Shelley Hennig and Jessica Parker Kennedy, and will premiere on The CW on September 15.
Watch an extended trailer for The Secret Circle below: