Cassi Thomson: Cassi Thomson. Actress: Left Behind. Cassi Thomson is an Australian-born American actress and singer, known for her recurring role as Cara Lynn Walker in the television series Big Love and for her role as Nikki Papagus on the series Switched at Birth. Thomson was born in Queensland, Australia. She lived on a ranch in Vanuatu until she was 5 years old after which her family moved to New Haven, Missouri,...
