Complex sentence: This play was one of the plays running at the Labute Festival, in a production starring both Jeremy Piven and Tyler Pierce as Tom, and Kate Debelack who played the role of Helen.
Split into simpler sentences: This play was one of the plays running at the Labute Festival. The play starred both Jeremy Piven and Tyler Pierce, who both played the role of Tom, and Kate Debelack who played the role of Helen.