Complex sentence: Henderson spent more than a year unsuccessfully auditioning for film roles in Los Angeles, but in 2001, he was finally cast in a supporting role in the John Woo-directed war film, "Windtalkers".
Split into simpler sentences: Henderson spent more than a year unsuccessfully auditioning for film roles in Los Angeles. In 2001, he was finally cast in a supporting role in the John Woo-directed war film, "Windtalkers".