Complex sentence: In 2001, he appeared in the cult classic "Donnie Darko", wherein he played a famous motivational speaker revealed to be a closet pedophile, and in 2004, he played Allan Quartermain in "King Solomon's Mines".
Split into simpler sentences: In 2001, he appeared in the cult classic "Donnie Darko", wherein he played a famous motivational speaker revealed to be a closet pedophile. And, in 2004, he played Allan Quartermain in "King Solomon's Mines".