Prime Video has announced the cast for the new comedy series "Onze Osso." The series follows four housemates—Gijs, Rob, Sonny, and Pleun—who are searching for a fifth housemate. Filming began this month, and the series will be available exclusively on Prime Video later this year in 240 countries worldwide. The series was created by Donny Singh and Luuk Ornstein and is directed by Reinier Smit.