Throughout Sinise's run on the show, he actually appeared in every single episode of "CSI: NY." Sinise is also credited with producing several episodes, and he earned a handful of writing credits, as well.
When CBS ended the show back in 2013, Sinise did an interview with CBS News to reflect on the "great nine years" of working on "CSI: NY." He admitted that initially, he was concerned about signing on to a long-running series. "This is the first time in my life that I've had a steady job," Sinise reflected. "Will I miss it? Yeah, but I knew it would come to an end at some point. After doing it for five years, getting another four years out of it was all gravy and icing on the cake. So I'm very grateful we had the time together on that."
To be fair, Sinise wasn't the only star who appeared in every episode. According to IMDb, his co-stars Carmine Giovinazzo, Hill Harper and Eddie Cahill also appeared in all 197 episodes. Meanwhile, there are stars from other "CSI" shows that join Sinise in the club of starring in every episode of their respective shows. For instance, "CSI: Miami" stars David Caruso and Emily Procter appeared in every episode as Horatio Caine and Calleigh Duquesne (via IMDb). Additionally, George Eads, who starred as Nick Stokes on the original "CSI," nearly accomplished the same feat, starring in 335 out of 336 episodes (via IMDb).
