- Paul Robeson
- Bosambo
- Leslie Banks
- Commissioner R.G. Sanders
- Nina Mae McKinney
- Lilongo
- Robert Cochran
- Lieutenant Tibbets
- Martin Walker
- J. Ferguson
- Richard Grey
- Captain Hamilton
- Tony Wane
- King Mofolaba
- Marqués De Portago
- Farini
- Eric Maturin
- Smith
- Allan Jeayes
- Father O'Leary
- Charles Carson
- Governor of the Territory
- Luao
- Chief of the Wagenia [Congo] Tribe
- Kilongalonga
- Chief of the Wagenia [Congo] Tribe
- Oboja
- Chief of the Acholi Tribe
- Members of Acholi Tribe
- Themselves
- Members of the Sesi Tribe
- Themselves
- Members of the Tefik Tribe
- Themselves
- Members of the Juruba Tribe
- Themselves
- Members of the Mendi Tribe
- Themselves
- Members of the Kroo Tribe
- Themselves
- Robert Adams
- Minor Role
- Joe Cozier
- (uncredited)
- Bertrand Frazer
- Makara
- Beresford Gale
- Topolaka
- Jomo Kenyatta
- Tribal Chief
- Orlando Martins
- K'Lova
- Anthony Papafio
- Bosambo's Son
- James Solomon
- Kaluba
- John Thomas
- Obiboo
- Deara Williams
- Daughter of Bosambo and Lilongo
