Sander was born in Washington, D.C. on July 6th, 1956. His father was an Air Force lieutenant colonel.
Sander has guest starred in the series CSI: NY, Harry's Law, The Mentalist, Sons of Anarchy, Rules of Engagement, The Glades, Las Vegas, NCIS, and Criminal Minds.
Sander had recurring roles in the series Tucker, Home Improvement, Grace Under Fire, Justified, The Big Bang Theory, The Middle, Boomtown, Studio 60, and Mystery Woman.
- Sander played Minor League Baseball in the Angels organization with teams in Idaho and Iowa before injuries caused him to be released.
- Sander gave up a Football scholarship to the University of Washington and Washington State University to pursue Major League Baseball.
- Richard Karn and Casey attended Nathan Eckstein Junior High in Seattle together, though Richard was a year behind. Richard told Casey about their shared past while on the set of Home Improvement (1991).