In which TV series is Betty Suarez a main character?

Who played Tracy Jordan in '30 Rock'? Who played Tami Taylor in 'Friday Night Lights'? In which TV series is Tami Taylor a main character? Who played Betty Suarez in 'Ugly Betty'? Who played Shawn Spencer in 'Psych'? In which TV series is Shawn Spencer a main character? In which TV series is Don Draper a main character? Who played Peggy Olson in 'Mad Men'?