Complex sentence: Pawley became disenchanted with Hollywood during the attempted infiltration by the communists in the late 1930s and early 1940s; consequently, he left in 1942 and returned briefly to Broadway where he starred with Gregory Peck in "The Willow and I".
Split into simpler sentences: Pawley became disenchanted with Hollywood during the attempted infiltration by the communists in the late 1930s and early 1940s. Consequently, he left in 1942 and returned briefly to Broadway where he starred with Gregory Peck in "The Willow and I".