Πρωταγωνιστές του κύκλου 4

1. 

   Σεθ ΜακΦάρλαν

   Peter Griffin / Brian Griffin / Stewie Griffin / Glenn Quagmire / Tom Tucker (voice)

2. 

   Άλεξ Μπόρσταϊν

   Lois Griffin / Tricia Takanawa / Loretta Brown / Barbara Pewterschmidt (voice)

3. 

   Mila Kunis

   Meg Griffin (voice)

4. 

   Seth Green

   Chris Griffin (voice)

Γκεστ σταρ 9

1. 

   Arianna Huffington

   Arianna Huffington (voice)

2. 

   Dana Gould

   Dana Gould (voice)

3. 

   Bill Maher

   Bill Maher (voice)

4. 

   Adam West

   Adam West (voice)

5. 

   Ashley Tisdale

   Kelly (voice)

6. 

   Alec Sulkin

   Sharhooz (voice)

7. 

   Christine Lakin

   Joyce Kinney (voice)

8. 

   Alexandra Breckenridge

   (voice)

9. 

   Chris Cox

   Man (voice)

Συντελεστές 2