In films, what is the difference between a Producer and an Executive Producer?

Answer 1

A film producer creates the conditions for making movies. The producer initiates, coordinates, supervises and controls matters such as raising funding, hiring key personnel, and arranging for distributors. The producer is involved throughout all phases of the filmmaking process from development to completion of a project.
Executive producer: In major productions, usually a representative, if not the CEO, of a motion picture production company that is producing a film, although the title may be given as an honorarium to a major investor. Often oversees the financial, administrative, and creative aspects of production, though not technical aspects. In smaller companies or independent projects, may be synonymous with Creator/Writer.

Answer 2

Producer is the guy spends money and the Executive Producer does the actual tasks for the movie

Answer 3

The producer makes it happern... the Executive Producer... provides the money to make it happen.