Africa Screams only time that Shemp Howard and Joe Besser appeared together in a film; Besser would replace Howard as one of the Three Stooges following the latter's death in 1955. The main character's name Stanley Livington is suggestive of the surnames of British explorers Henry Morton Stanley and David Livingstone who had a famous meeting in 1871. It is not known whether the change from Livingstone to Livington is the result of a typist's error or a deliberate obfuscation. As this film is in the public domain in the United States, there have been a variety of DVD releases from multiple
History of slavery in the Muslim world up until the 19th century. Livingstone and Stanley were then the first Europeans to penetrate to the interior of the Congo basin and to discover the scale of slavery there. The Arab Tippu Tib extended his influence and made many people slaves. After Europeans had settled in the Gulf of Guinea, the trans-Saharan slave trade became less important. In Zanzibar, slavery was abolished late, in 1897, under Sultan Hamoud bin Mohammed. The rest of Africa had no direct contact with Muslim slave-traders. While slaves were sometimes employed for manual labour during the Arab slave trade, this was usually the exception