To prepare for their roles, the cast were trained by chefs and managers at "Fifteen", owned by chef Jamie Oliver.
October 2018, it was announced that Matt Tarses and Will Arnett were developing a new Whites series for NBC, based on the UK format, through Sony Pictures Television.
As of this writing no additional information on this.
Isy Suttie (Kiki) took trumpet lessons for her role.
Based on co-creator Matt King's experience in restaurants.