Complex sentence: Juliani had a small part in the 2009 movie Watchmen, portraying a military base technician, and in April 2009, Juliani appeared on Smallville as Dr. Emil Hamilton.
Split into simpler sentences: Juliani had a small part in the movie Watchmen, portraying a military base technician. In April 2009, Juliani appeared on Smallville as Dr. Emil Hamilton.