In which TV series is Ned Stark a main character?

In which TV series is Arya Stark a main character? Who played Sansa Stark in 'Game of Thrones'? In which TV series is Sansa Stark a main character? Who played Ned Stark in 'Game of Thrones'? Who played Jaime Lannister in 'Game of Thrones'? In which TV series is Jaime Lannister a main character? Who played Carrie Mathison in 'Homeland'? Who played Nicholas Brody in 'Homeland'?