Justin Roiland Morty, Rick Voice, Executive Producer Sarah Chalke Beth Voice Spencer Grammer Summer Voice Chris Parnell Jerry Voice Dana Carvey Leonard Smith Guest Voice John Oliver Dr. Xenon Bloom Guest Voice Daniel Benson Ethan Guest Voice Jackie Buscarino Annie, Train Announcement Guest Voice Jess Harnell Ruben Ridley, Roger Guest Voice Echo Kellum Jacob, Eric McMan Guest Voice Pat Lentz Joyce Smith Guest Voice Rob Schrab Alexander, Tom Randolph Guest Voice Gary Anthony Williams Poncho, News Anchor Guest Voice Dan Harmon Executive Producer