Complex sentence: The 1949 comedy film "Africa Screams" is the story of a dimwitted clerk named Stanley Livington (played by Lou Costello), who is mistaken for a famous African explorer and recruited to lead a treasure hunt.
Split into simpler sentences: The 1949 comedy film "Africa Screams" is the story of a dimwitted clerk named Stanley Livington, played by Lou Costello. He is mistaken for a famous African explorer and recruited to lead a treasure hunt.