Richard Roundtree portrays Paul Sr., the family patriarch, is still active despite his age. A sweet and gentle man, never judgmental and always selfless, he is terribly saddened to see his ill wife suffering.
B.J. Britt portrays Paul Jr., aka PJ, is Mary Jane's younger brother who also lives with their parents. PJ is a natural charmer and has quite a few high-end clients, including some of Mary Jane’s friends.
Raven Goodwin brings Mary Jane's niece, Niecy to life and helps Mary Jane tap into her fun, adventurous side. Determined to stop this “ghetto trend,” Mary Jane inserts herself in Niecy’s life with a caring yet tough approach.
Lisa Vida portrays the recently divorced after 15 years, Kara, who is still prey to the charms of her ex-husband. She also struggles daily with the pull of being a career-driven woman trying to stay present in her children’s lives.
Latarsha Rose plays Dr. Lisa Hudson, Mary Jane's friend who appears to have it all together but she really doesn't. Dr. Lisa battles with depression and takes life one day at a time while also trying to be the best doctor and friend that she can.
Gary Dourdan joins the cast of Being Mary Jane as Sheldon, a sexy and mysterious lawyer. Sheldon is intrigued by Mary Jane's drive and beauty and she can't get enough of his suave demeanor and smooth talk.