The characters David Bohr, Kyle Planck, and Schrodinger the cat are all named after famous physicists: Niels Bohr, Max Planck, and Erwin Schrodinger.
Chloe Webb and Marg Helgenberger were in China Beach (1988) together.
Adam Savage, Jamie Hyneman: from MythBusters (2003), in the lab scene where George Eads is testing the non-police-issue pepper spray.