On television, Symonds played Benjamin Franklin in the 1976 PBS mini-series The Adams Chronicles and the recurring role of Dr. Jonas Edwards on Dynasty from 1982 to 1987, and guest-starred on many series, including The Rockford Files, M*A*S*H, Benson, Cheers, Quincy, M.E., Star Trek: Deep Space Nine (as a Bajoran in the episode "Accession"), ER, Alias, and Cold Case (his last role in the episode "Static") and as Robert E. Lee in the 1982 miniseries The Blue and the Grey. In the early 1970s, Symomds created the role of psycho stalker Will Watts on the CBS soap opera Where the Heart Is.