Who plays TV role Dr. Switzer on the TV series crossing Jordan?

In the TV series "Crossing Jordan," the role of Dr. Switzer is played by actor John D'Aquino. The show, which aired from 2001 to 2007, follows a forensic pathologist, Jordan Cavanaugh, played by Jill Hennessy, as she solves crimes and navigates her complex personal life. D'Aquino's character appears in various episodes, contributing to the series' engaging storylines.