The main function of a producer is money. Since the producer is the main financial contributor, they also have a lot of say in the production of the film. The producer can also be more directly involved in the movie, as in "Of MIce and Men" where Gary Sinise produces, directs and acts in a leading role.
producer
Raj Kumar Santoshi was the producer of that film
Robert Richter - film producer - died in 1972.
Robert Richter - film producer - was born in 1899.
Masayuki Mori - film producer - was born in 1953.
James Hill - film producer - died in 2001.
James Hill - film producer - was born in 1916.
John Davis - film producer - died in 1993.
John Davis - film producer - was born in 1906.
Grant McLean - film producer - was born in 1921.
Grant McLean - film producer - died in 2002.
Sam White - film producer - died in 2006.