usually either a line producer or unit production manager hired. Not both. With very lean projects a producer could also function as unit production manager and line producer.
Line Producer – Creates and maintains the budget that is used for pre-production through the physical shooting of a movie. They also negotiate contracts for crew. Once a shoot is wrapped their job is done. They are the “bean counters” reporting to an executive producer or producer. In some cases the producer acts as a line producer too. Often on independent projects a line producer and unit production manager function as one in the same.
Supervising Producer – Depends on what TV show or movie you are working on. Comes down to what power your contract says. Safe bet is they give the marching orders from the Executive Producers (people that put up the