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 Host (Star Trek: The Next Generation) of Odan would return in non-canon "Star Trek" publications, including in the short story "First Steps" within "The Lives of Dax" anthology. It also made two appearances in licensed comics, first in DC Comics "Star Trek: The Next Generation Annual" issue four and then in "Divided we Fall", a crossover between "The Next Generation" and "Deep Space Nine" published under the WildStorm imprint. The makeup for the Trill host featured a separate nose and forehead pieces, as the intention was to retain the general look of a human. Air bladders were placed inside a fake abdomen to create the shot