Peter's Progress

Cast

• 

  Seth MacFarlane

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

• 

  Alex Borstein

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

• 

  Mila Kunis

  Meg Griffin (voice)

• 

  Seth Green

  Chris Griffin (voice)

• 

  Mike Henry

  Cleveland Brown (voice)

• 

  Jason Segel

  Marshall Eriksen (voice)

• 

  Kiefer Sutherland

  Jack Bauer (archive footage)

• 

  Neil Patrick Harris

  Barney Stinson (voice)