According to Dominik Hartl the most influential movies for the "Lederhosenzombies" are Shaun of the Dead (2004) by Edgar Wright and Dead Alive (1992) by Peter Jackson
The writer and director Dominik Hartl had the idea for the plot when he saw drunken après-ski tourists in front of a ski-hut, acting out like zombies.
The project was originally planned to become a small student film.
Calvert is said to be training for up to three months with Pro Snowboarders for the title role.
Dominik Hartel first met Calvert at Chiltern Firehouse in London to discuss the role