Dominique Wilkins was born Jacques Dominique Wilkins on January 12th, 1960 in Paris, France. He played basketball in the NBA for the Atlanta Hawks. In 2006 he was inducted into the NBA Hall of Fame. You can find out more on his Wikipedia page.
The cast of Powerless - 2004 includes: Rodger Beattie as The Father Hannah Polland as Rachel Samuel Wilkins as David Matthew Wilkins as Peter Hannah Wilkins as Rachel Martha Wilkins as Ruth Bethany Wilkins as Sarah
We don't know his name, but it is said to be her Ex- Husband...Her current husband is not the father. 1 year, possibly, 2 years ago, Dominique got a divorce in December. So, the father is probably the ex.
Dominique Toney has: Performed in "Break the Addiction: An Inconvenient Truth" in 2006. Played D.A. Nina Wilkins in "Car-Jumper" in 2012. Played D.A. Nina Watkins in "Car-Jumper" in 2012. Played District Attourney in "Car-Jumper" in 2012. Played herself in "Seasonal Depression the Show" in 2013.
Mary's mom was a back up dancer for Dominique and then she passed away so Dominique adopted her. Assuming that there was no father in the picture this makes sense. (Dominique says this in the beginning of the movie while walking with an assistant of some sort)