Tatum Matthews: Tatum Matthews. Actress: The Artifice Girl. Tatum Matthews stars as Erin Walton in the CW network's "The Waltons" television specials, reboots based on the beloved long-running CBS TV series. On the big screen, Tatum plays the title character in the sci-fi film "The Artifice Girl" (2022), for which she won "Best Actress" at the 2023 Fantaspoa Fantastic International Film Festival. A "triple threat," Tatum began her career in local theater...