Donald Frank "Don" Cheadle (1964-) is an American actor, producer and author known best for his collaborations with director Steven Soderbergh
, replacing Terrance Howard as James "Rhodey" Rhodes in Iron Man
sequels, his Academy-Award nominated role in Hotel Rwanda
and his Golden Globe Award-winning role on Showtime's Hou$e Of Lie$
. He is also a noted humanitarian who has campaigned alongside George Clooney
and Brad Pitt
for an end to the genocide in Darfur.
As usual, plenty about his life and career can be found on the other wiki