Peter's Progress

Peter's Progress is the 16th episode and the season finale of the seventh season of Family Guy.

Starring

 * Seth MacFarlane
 * Alex Borstein
 * Seth Green
 * Mila Kunis
 * Mike Henry

Also Starring

 * John Ross Bowie
 * Johnny Brennan
 * Tom Devanney
 * Neil Patrick Harris
 * Mark Hentemann
 * Brody Hutzler
 * Derwin Jordan
 * Keri Lynn Pratt
 * David Pressman
 * Josh Radnor
 * Martin Savage
 * Jason Segel
 * Danny Smith
 * Alec Sulkin
 * John Viener
 * Erik von Detten
 * Patrick Warburton