Mini Bio (1). William Petersen was born on February 21, 1953 in Evanston, Illinois, USA as William Louis Petersen. He is a producer and actor, known for CSI: Crime Scene Investigation (2000), Manhunter (1986) and To Live and Die in L.A. (1985). He has been married to Gina Cirone since June 14, 2003.layed John F. Kennedy in Rat Pack. The actor who dubs his voice in Czech, Vladislav Benes, is also the Czech dubbing voice of Pierce Brosnan, Richard Gere, and Noah Wyle. William's paternal grandfather, Jurgen Petersen, was born in Germany, to Danish parents, Andreas Christian Petersen and Anna Margaretha Ericksen.