Throughout the '70s, Richard Roundtree was one of the go-to leading men for blaxploitation films. He's best known for his role as Detective John Shaft in the classic 1971 film Shaft, but boasts a long list of movie and television credits, including a role in the groundbreaking historical series Roots. The seasoned vet will take on the character of Paul Patterson, Sr., the father of a successful TV news anchor (played by Gabrielle Union) on BET's upcoming series Being Mary Jane.