Justin Roiland Morty, Rick Voice, Executive Producer Sarah Chalke Beth Voice Spencer Grammer Summer Voice Chris Parnell Jerry Voice David Cross Prince Nebulon, Radio Voice Guest Voice Dan Harmon Mr. Marklevitz, Kevin Guest Voice, Executive Producer Brandon Johnson Mr. Goldenfold, Black Mailman Guest Voice Maurice LaMarche Alien 2, Paramedic Guest Voice Ryan Ridley Alien 1, Student 1 Guest Voice Kari Wahlgren Jessica, Cynthia, Hot Woman Guest Voice