The Official Website for Actor Michael Rooker
The Official Website for Actor Michael Rooker

From AMC: Merle Dixon Returns in The Walking Dead Season 3

Dixon fans rejoice! AMC has officially confirmed the return of Merle Dixon!

From AMC Blogs:

Since being abandoned on a rooftop in Season 1, Merle Dixon has been the source of fervent fan speculation. (Where is he? Is he alive?) Today, AMC confirms that Merle (Michael Rooker) will return in The Walking Dead Season 3. Check out The Walking Dead Season 3 Production Gallery!