Not All Dogs Go to Heaven "American Dad!" character, Avery Bullock in "Lois Kills Stewie" (season 6, episode 5), and his "Star Trek: The Next Generation" character Captain Jean-Luc Picard in "Peter's Got Woods" (season 4, episode 11); Jonathan Frakes, Michael Dorn and Marina Sirtis also appeared in "Peter's Got Woods" as their respective "Star Trek: The Next Generation" characters William Riker, Worf, and Counsellor Deanna Troi. "Not All Dogs Go to Heaven" features the entire original cast of "Star Trek: The Next Generation": Stewart as Captain Picard; Frakes as Riker; Gates McFadden as Doctor Beverly Crusher; Brent Spiner as Lieutenant Commander Data; Dorn as Worf;
The Neutral Zone (Star Trek: The Next Generation) more as a Cardassian in the recurring role of Gul Dukat on "". Two of the time-displaced humans returned in "Star Trek" literature, with Ralph Offenhouse appearing in "The Next Generation" novel "Debtor’s Planet" as the Federation Ambassador to the Ferengi and again in the "Star Trek: Destiny" trilogy as the Secretary of Commerce for the Federation. Clare Raymond made a further appearance in the "Star Trek: Department of Temporal Investigations" novel "Watching the Clock" as a counsellor for time-displaced people. Offenhouse, Raymond and "Sonny" Clemmons also appeared in the two-part "Star Trek: The Eugenic Wars" by Greg Cox which