Mark Shera Mark Shera 7/10/49 Actor Biography There is no information about «Mark Shera» yet. Roles Jedediah Romano "J.R." Jones (Actor) Barnaby Jones Jedediah Romano "J.R." Jones (Actor) Barnaby Jones Jedediah Romano "J.R." Jones (Actor) Barnaby Jones Officer Dominic Luca (Actor) S.W.A.T. Gallery