Deborah Kerr (Elizabeth Curtis)
Stewart Granger (Allan Quatermain)
Richard Carlson (John Goode)
Hugo Haas (Van Brun aka Smith)
Lowell Gilmore (Eric Masters, District Commissioner)
Kimursi (Khiva, Chief Bearer in Red Fez)
Siriaque (Umbopa, Tall Prince-in-Exile)
Sekaryongo (Chief Gagool, Witch-like Guide to Diamond Mines)
Baziga (King Twala, Usurper)

Explorers in Africa persuade an exiled chief to help them find a diamond mine.