In which TV series is Elliot Alderson a main character?

Who played Kim Wexler in 'Better Call Saul'? Who played Cookie Lyon in 'Empire'? In which TV series is Cookie Lyon a main character? Who played Elliot Alderson in 'Mr. Robot'? Who played Moira Rose in 'Schitt's Creek'? In which TV series is Moira Rose a main character? Who played Johnny Rose in 'Schitt's Creek'? Who played David Rose in 'Schitt's Creek'?