Complex sentence: Once he moved to Hollywood he acted in a series of "B movies" but also continued to do stage work, directing the 1973 premiere of "The Grabbing of the Fairy", a masque by Michael McClure.
Split into simpler sentences: Once he moved to Hollywood he acted in a series of B movies. He also continued to do stage work, directing the 1973 premiere of "The Grabbing of the Fairy", a masque by Michael McClure.