Soul Power is a 2008 documentary film about the Zaire 74 music festival in Kinshasa which accompanied the Rumble in the Jungle heavyweight boxing championship match between Muhammad Ali and George Foreman in October 1974. The film was made from archival footage; other footage shot at the time focusing on the fight was edited to form the film When We Were Kings.
| Actor | Role |
|---|---|
 James BrownSelf (archive footage) | Self (archive footage) |
 Bill WithersSelf (archive footage) | Self (archive footage) |
 B.B. KingSelf (archive footage) | Self (archive footage) |
 Muhammad AliSelf (archive footage) | Self (archive footage) |
 Don KingSelf (archive footage) | Self (archive footage) |
 Manu DibangoSelf | Self |
| LLola LoveSelf | Self |
| FFranco LuomboSelf | Self |
 Miriam MakebaSelf (archive footage) | Self (archive footage) |
 Celia CruzSelf (archive footage) | Self (archive footage) |
 Hugh MasekelaSelf (archive footage) | Self (archive footage) |
| JJohnny PachecoSelf (archive footage) | Self (archive footage) |
 George PlimptonSelf (archive footage) | Self (archive footage) |
| SSweet Charles SherrillSelf (archive footage) | Self (archive footage) |
 Debbie SledgeSelf (archive footage) | Self (archive footage) |
 Joni SledgeSelf (archive footage) | Self (archive footage) |
 Kim SledgeSelf (archive footage) | Self (archive footage) |
 Kathy SledgeSelf (archive footage) | Self (archive footage) |
| TTomo ToroSelf (archive footage) | Self (archive footage) |
| SStewart LevineSelf | Self |