Complex sentence: Throughout the late 1990s and early 2000s, he also appeared in several television roles, and played Casey Hughes on "As the World Turns" between 1999 to 2004.
Split into simpler sentences: Throughout the late 1990s and early 2000s, he also appeared in several television roles. And he also played Casey Hughes on "As the World Turns" between 1999 to 2004.