Complex sentence: In 2013 de la Tour appeared in two British sitcoms: as Violet in "Vicious", opposite Ian McKellen and Derek Jacobi, and as headmistress Ms. Baron in "Big School" with David Walliams and Catherine Tate.
Split into simpler sentences: In 2013 de la Tour appeared in two British sitcoms. She appeared as Violet in "Vicious", opposite Ian McKellen and Derek Jacobi, and as headmistress Ms. Baron in "Big School" with David Walliams and Catherine Tate.