Trivia / Isekai Quartet

• Acting for Two:
  • In the Japanese version:
    • Rie Takahashi voices both Emilia and Megumin.
    • Yūsuke Kobayashi voices both Subaru and Warren Grantz.
    • Yumi Uchiyama voices both Puck and Mare Bello Forte.
    • Asami Seto voices both CZ Delta and Raphtalia.
    • Aki Toyosaki voices both Yunyun and Ristarte.
  • In the English version:
    • Erica Mendez voices Megumin, Puck, and Raphtalia.
    • Jeff Johnson voices both Demiurge and Warren Grantz.
    • Kira Buckland voices both Beatrice and Chris.
    • Kayli Mills voices both Emilia and Yunyun.
    • Brianna Knickerbocker voices Rem, Filo, and Wiz.
    • Ryan Bartley voices both Ram and Chomusuke.
    • Anthony Bowling voices both Vanir and Seiya.
• Actor Allusion: In episode 1 of season 2, Wilhelm makes a comment on Naofumi's eyes, saying they're "like mine used to be". This is a nod to both Wilhelm's similarity to Naofumi personality-wise in his younger years and the fact that both Kaito Ishikawa and Billy Kametz voiced these characters.
• Channel Hop: or in this case, Dubbing Studio Hop. Re:Zero, KonoSuba and The Rising of the Shield Hero were dubbed by Bang Zoom! Entertainment. Here, the actors that played those characters are reprising their roles, but the series itself is instead being dubbed by Funimation.
• Marth Debuted in "Smash Bros.": The dub of the series was released while only S1 of Konosuba was available in English, meaning both Yunyun (Kayli Mills) and Vanir (Anthony Bowling) made their first voiced appearances in English here; in Yunyun's case, her introductory OVA was dubbed before this but released later. The dub for S2 of Konosuba would eventually release on on February 25, 2020, and reveal Vanir's proper series actor to be Robbie Daymond, the simuldub of Quartet S2 still has Bowling voice Vanir.
• No Export for You:
  • As always, Latin America is not able to see this spin-off because the license is handled by Funimation, although the four series shown in this spin-off are available in that region.
  • Also, thanks to Funimation, several regions where Konosuba, Re:Zero and Tanya the Evil are available (the license of the normal series is handled by Crunchyroll worldwide except Asia) have not been able to see this spin-off.
• The Other Darrin:
  • In Re:Zero proper, Wilhelm is voiced by Marc Diraison. Here, he's voiced by Barry Yandell instead.
  • In KonoSuba proper, the Ruffian is voiced by Imari Williams. Here, he's voiced by Jeremy Inman instead.
• Role Reprise: The Japanese version consists of actors reprising their roles from their own respective series. Funimation would also work with Source Connect to get everyone to reprise their roles for the English Dub.

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