Bruce Greenwood, Jensen Ackles, Neil Patrick Harris, Jason Isaacs, John DiMaggio, Wade Williams, Carlos Alazraqui, Robert Clotworthy, Gary Cole, Brian George, Kelly Hu, Phil LaMarr, Alexander Martella, Vincent Martella, Jim Piddock, Kevin Michael Richardson, Andrea Romano, Dwight Schultz, Fred Tatasciore, Keri Tombazian, Bruce Timm, Michael Villani