MarsCon 2004 was held March 5-7, 2004 at the Hilton Minneapolis/St. Paul Airport in Bloomington, MN. The theme was "Let's Play Doctor". Author GoH was John M. Ford (Dr. Mike), Artist GoH was Costumer and Dancer Davina (Dawn Devine Brown), Fan GoH was Baron David E Romm, Music GoH was Luke Ski, Actor GoH was Richard Biggs, and Media GoH was D.J. Dr. Demento.
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