Actress and director Denise Dowse, whose prolific career featured roles in "Beverly Hills, 90210," "Insecure" and "Ray," has died, her family confirmed to CNN Sunday. She was 64.

"With a heavy heart I have to announce her passing away," the actress' sister Tracey Dowse said in a statement.

She also announced her sister's death on the actress' Instagram account, remembering her as an advocate for African American theater who was also dedicated to sharing the profession with children.

Dowse acted and directed for the Negro Ensemble Company and directed plays for the Amazing Grace Conservatory, an inner-city youth theatrical training program.

Dowse was well known for her role as Mrs. Yvonne Teasley in the hit series "Beverly Hills, 90210" and recently appeared in the HBO comedy series "Insecure" as Molly Carter's (Yvonne Orji) therapist.

In addition to acting roles in dozens of movies and TV series, Dowse also directed film

Dowse's manager, Sandra Siegal from Siegal Company, remembered her client and friend in a statement Sunday.