Possible Clues:

• Old African with sore hand I treated
• Old African horse and I, struggling
• Danish ore, possibly coming from former colony
• De Niro has played an old countryman
• He ordains eccentric old African
• In the past African rebel hero said 'no'
• The old African Greek character is back inside, Dean
• With 51-Across, 32-Down from the 'old world'
• Large dog (from Zambia or Zimbabwe?)
• Once African island visited by Scot