Complex sentence: She is best known for portraying Cleo Sertori in', Fiona Maxwell in "Tomorrow, When the War Began", and Faye Chamberlain in "The Secret Circle".
Split into simpler sentences: She is best known for portraying Cleo Sertori in' and Fiona Maxwell in "Tomorrow, When the War Began". She also portrayed Faye Chamberlain in "The Secret Circle".