Montserrat Hernandez as June Del Toro, a tomboyish 13-year-old girl who is Jack's crush but did not reciprocate his feelings, but starts to develop some in Book 2. She was trying to survive on her own until her parents come back for her with a rescue party; but she joins Jack's team and learns to have fun during the apocalypse. She was editor-in-chief of the school's paper.
Garland Whitt as Quint Baker, Jack's nerdy best friend who invents most of the gadgets the kids use to survive in their post-apocalyptic environment.
Brian Drummond as the vocal effects for Rover, a blue-furred canine-like monster who befriends Jack in Book 1 and becomes the team's pet and mascot.
Catherine O'Hara as Skaelka, a female monster warrior that takes up residence in Joe's Pizza and becomes a friend of June's.
Keith David as Thrull, the secondary antagonist in Book 2 who poses as the kids' friend at first before betraying them and his fellow monsters in Book 2, episode 8. He dies in Book 2, episode 10 "Dawn of Rezzoch".
Bruce Campbell as Chef, a cranky monster that takes up residence in Joe's Pizza.
Rosario Dawson as Rezzoch, the main antagonist of the series as revealed in Book 2, episode 2; has her first lines and first full appearance in the Book 2, episode 8 before becoming a series regular as of the 9th and Book 2 finale episodes.
Episodes
Production
On September 26, 2017, it was announced that Thunderbird Entertainment's animation studio Atomic Cartoons had optioned the screen rights on Max Brallier's book series The Last Kids on Earth with the intention of producing an animated television series. On February 26, 2018, it was announced that Netflix had given the production a series order. Executive producers include Brallier, Scott Peterson, Jennifer McCarron, and Matthew Berkowitz. Brallier and Peterson are also expected to write the series as well. Production companies involved in the series include Thunderbird Entertainment's animation studio Atomic Cartoons. On March 13, 2019, the series cast was announced, including Mark Hamill, Rosario Dawson, Catherine O'Hara, Keith David, Bruce Campbell, Garland Whitt, Montserrat Hernandez, Charles Demers, and Nick Wolfhard as the lead character Jack Sullivan. It was initially reported that the series would be released on May 30, 2019, but it instead premiered on September 17, 2019.
Merchandise
launched a toyline based on the series in early 2020. Outright Games will publish a video game tie-in across consoles and PC in 2021.