Billy Wilder told the story of adapting Stalag 17. Co-writer Blum showed up the first day with a copy of the original play and said “I thought we could use this

Billy Wilder told the story of adapting Stalag 17. Co-writer Blum showed up the first day with a copy of the original play and said “I thought we could use this.” To which Wilder showed him how they could use it: by dropping it on the floor and using it as a door stop.