The powerful film failed to garner a single Academy Award nomination.
Rih will compete against acts including Taylor Swift and Lady Gaga for the win.
The Oscar-winning actress will also produce the film via her company JuVee Productions.
The Oscar winner was set to star alongside Viola Davis after signing on in 2018.
The veteran actress discussed her career while eating a spicy assortment of chicken wings.
Viola Davis and Sheryl Lee Ralph are among this year's award presenters.
The action film currently sits at 95% rating on Rotten Tomatoes.
The Oscar-winning actress is stepping outside of her typical protagonist roles.
The film is set to debut in theaters on September 16.