Who played Willow Rosenberg in 'Buffy the Vampire Slayer'?

Who played Marie Barone in 'Everybody Loves Raymond'? In which TV series is Marie Barone a main character? Who played Buffy Summers in 'Buffy the Vampire Slayer'? In which TV series is Buffy Summers a main character? In which TV series is Willow Rosenberg a main character? Who played Angel in 'Buffy the Vampire Slayer'? In which TV series is Angel a main character? Who played Ally McBeal in 'Ally McBeal'?