Associate Producer

An individual who performs a limited number of producing functions delegated to her/him by a producer, under the direct supervision and control of that producer. The term may also refer to a person who would qualify as an executive producer of a project, but for the fact that (s)he acts on behalf of a production company which is subordinate to another one on that project. See also co-producer and line producer.
http://www.imdb.com/Glossary/C#co-producer

Co-Producer

A producer who performs a substantial portion of a creative producing function, or who is primarily responsible for one or more managerial producing functions. A co-producer has less responsibility than a producer for the completion of a project. Note that if a project has more than one producer, it doesn't mean that these individuals are "co-producers" in the technical sense of that term. See also executive producer, associate producer, line producer.
http://www.imdb.com/Glossary/A

Ennek alapján és inkább a co-producert mondanám társproducernek. Segédproducerre is van találat:

http://www.online.rtlklub.hu/baratokkozt/?id=0310153649
http://www.x-aktak.hu/trivia2.htm
http://www.cinematrix.hu/honlapok/mindenuttjo/cast_crew/cast...



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Note added at 58 mins (2006-05-03 13:08:43 GMT)
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Bocsánat, helyesen:

Ennek alapján én ...