Whitaker won an Academy Award , a Golden Globe and a BAFTA for his performance as Ugandan dictator Idi Amin in the 2006 film `` The Last King of Scotland '' .
Whitaker won an Academy Award for playing Ugandan dictator Idi Amin in the 2006 film `` The Last King of Scotland '' . Whitaker has also won a Golden Globe and a BAFTA .