IGN.com ranked Close as the 25th best guest star in the show 's history for her first two performances as Mona .
Glenn Close has been well - received as the voice of Mona .
IGN.com ranked Close as the 25th best guest star in the show 's history for Mona 's first two performances Mona Mona .
Glenn Close has been well - received as the voice of Mona .