updated 09/25/2012 AT 1:15 PM ET
•originally published 09/24/2012 AT 1:15 PM ET
As part of AMC, which airs The Walking Dead, and American Red Cross’s joint effort to raise awareness about donating blood, they are among the celebrities who are participating in The American Red Cross Zombie Blood Drive campaign.
Their zombie-fied pictures will run on the air in a public zombie announcement (PZA) on AMC, and online at the network’s campaign site, amcgiveblood.com.
The campaign runs from Sept. 24 through Oct. 22.