Viz Media has revealed the cast members for the Matsuno sextuplet brothers who star in Fujio Akatsuka's comedy manga series Osomatsu-kun. The company posted a visual on their official Twitter account and also made the announcement during Anime Weekend Atlanta.
Osomatsu: Billy Kametz
Choromatsu: Chris Niosi
Juushimatsu: Michael Sinterniklaas
Ichimatsu: Kyle McCarley
Karamatsu: Ray Chase
Todomatsu: Max Mittelman
Osomatsu-san was created to commemorate Akatsuka's 80th birthday and serves as a spin-off to his original 1962 manga. Two 25-episode seasons were animated by Studio Pierrot in Fall 2015 and Fall 2017. It was previously announced that the series will get a new movie in Spring next year.
Source: Viz Media's Twitter