IMDB has been brought up a few times in various discissions:
- 19 April 2007
- Wikipedia talk:WikiProject Films/Style guidelines/Archive 1#IMDB User Ratings
- don't use the user ratings
- 18 July 2007
- Wikipedia talk:WikiProject Films/Archive 14#IMDb as Valid Reference Material
- resulting in an failed proposal here.
- 7 January 2008
- Wikipedia:Reliable sources/Noticeboard/Archive 5#IMDB
- IMDB may use information from Wikipedia in user submitted areas
- 16 April 2008
- Wikipedia:Reliable sources/Noticeboard/Archive 11#IMDB Pro
- IMDB Pro is no more or less reliable than the normal site.
- 18 July 2007
- Wikipedia talk:WikiProject Films/Archive 14#IMDb as Valid Reference Material
- resulting in an failed proposal here.
- 25 July 2008
- Wikipedia:Reliable sources/Noticeboard/Archive 17#Is IMDb a reliable source?
- not as reliable as the new york times.
- 27 September 2008
- Wikipedia:Reliable sources/Noticeboard/Archive 22#IMDb
- 2 October 2008
- Wikipedia:Reliable sources/Noticeboard/Archive 20#Are IMDB and personal websites reliable sources
- 17 November 2008
- Wikipedia:Reliable sources/Noticeboard/Archive 24#Is IMDb an unreliable source?
- 18 November 2008
- Wikipedia:Reliable sources/Noticeboard/Archive 23#IMDB.com for plot synopsis
- 9 February 2009
- Wikipedia:Reliable sources/Noticeboard/Archive 28#IMDb for BLP info?
- 23 June 2009
- Wikipedia:Reliable sources/Noticeboard/Archive 37#IMDB
- 26 July 2009
- Wikipedia:Reliable sources/Noticeboard/Archive 40#IMDB, again
- 17 October 2009
- Wikipedia:Reliable sources/Noticeboard/Archive 47#IMDB?
- 25 November 2009
- Wikipedia:Reliable sources/Noticeboard/Archive 50#TV.com and IMDB
- 6 March 2010
- Wikipedia:Reliable sources/Noticeboard/Archive 58#IMDB as a source; List of documentary films
Perhaps the most telling is the IMDb FAQ, which states that they use on-screen credits. I take the position that the credits section is reliable, and a good secondary source for that information.