Gabrielle Dennis is an American actress and comedian. Actress Gabrielle Dennis from the hit show Rosewood on FOX chats with Actress Tia Barr at the Secret Room Events Style Lounge honoring nominees and presenters for the MTV Movie & … With a background as a trained dancer, actress, and singer that stretches all the way back to age 4 Gabrielle always knew she would have a career in the Arts. With Morris Chestnut, Jaina Lee Ortiz, Gabrielle Dennis, Anna Konkle. Known mostly for her work in cable television series (The Game, Blue Mountain State, The Underground).Dennis starred in the Fox medical drama Rosewood alongside Morris Chestnut.In 2018, she began starring as Tilda Johnson in the Marvel Cinematic Universe series, Luke Cage Gabrielle Dennis is an actress and comedian best known for her work in television as Janay on the hit series "The Game" (CW & BET) and as Denise Roy on Spike Tv's "Blue Mountain State". Miami pathologist Dr. Beaumont Rosewood, Jr. finds secrets in people's bodies using his state-of-the-art laboratory equipment. Created by Todd Harthan. Gabrielle Dennis, Actress: Insecure.