William Petersen took a small leave of absence to perform on a Providence, Rhode Island stage during season seven, and the character of Michael Kepler (Liev Schreiber) was created to be a temporary replacement.
I had it all - palate expander, braces, retainer, headgear. Five years of torture, but worth every penny, don't you think?
"The CSI Effect": After lifting a fingerprint from a crime scene, and scanning it into a computer the results invariably comes up with a conclusive match to a suspect, This isn't the case in real life as much of the comparisons are done by comparing fingerprints by sight.
Due to rights issues at the time of release, the R2 (Europe/UK) and R4 (Australia) DVD releases of Season 1 have The Who music replaced by an original theme from John M. Keane. The Who are still credited in the closing credits.
English, Spanish, American Sign Language