Dennis was doing a Q&A a few weeks ago for his movie At any Price..
I was able to get him to sign a laserdisc of Dragonheart and a vinyl soundtrack of Innerspace.. hes left handed so he kind of smeared his signature but it wasnt too bad

[url=http://www.flickr.com/photos/92718390@N06/8746045193/][img]http://farm9.staticflickr.com/8268/8746045193_f848b74aae.jpg[/img][/url]
[url=http://www.flickr.com/photos/92718390@N06/8746045193/]20130426_184231[/url] by [url=http://www.flickr.com/people/92718390@N06/]TheSmithsRock626[/url], on Flickr
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[url=http://www.flickr.com/photos/92718390@N06/8746045349/]20130426_184202-1[/url] by [url=http://www.flickr.com/people/92718390@N06/]TheSmithsRock626[/url], on Flickr