10 Diego Klattenhof Mean Girls was Klattenhoff’s first major role. Prior to starring in Homeland, he made appearances in Smallville and Stargate SG-1. Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
