Help me think of suitable hollywood stars that can fit in the play A Raisin In The Sun?

My teacher wants us to design a poster promoting the play and list suitable hollywood stars that are we think will be right for the roles in the raisin in the sun, and also explain why. Anybody give me some suggestions of who should be playing who? It's optional to explain why, i just need some suggestions~ thank you.Help me think of suitable hollywood stars that can fit in the play A Raisin In The Sun?Fantasia Barrino