However, the UPM is responsible for the more detailed planning and execution of the below-the-line costs (primarily for physical production).
and hires the remaining crew, typically on the recommendation of the keys and/or based on prior experience with trusted individuals.
Before principal photography begins both the producer and UPM work to secure as many of the production elements as possible, including a workable schedule and budget.
Like nearly all members of a film crew, UPMs will typically remain on the shoot until the end of principal photography and can return if there are any reshoots.
These include expected salary rates, working hours, overtime penalties, required meals and other related criteria.