From Wikipedia, the free encyclopedia Eric Kyle Szmanda (/səˈmændə/; born July 24, 1975 height 6' (1,83 m) ) is an American actor. He portrays Greg Sanders in the CBS police drama CSI: Crime Scene Investigation, a role he has held since the show began in 2000.Szmanda was born in Mukwonago, Wisconsin, the son of Elaine (née Enders) and Donald Szmanda,and has two brothers, Brett and Rob. He attended Mukwonago High School and graduated at the age of nineteen at the American Academy of Dramatic Ar ...