E.A.R.T.H. FORCE - Ecological taskforce teamed to fight environmental crime on the adventure series E.A.R.T.H. FORCE/CBS/1990. E.A.R.T.H. stood for Earth Alert Research Tactical Headquarters. The team included John Harding (Gil Gerard), a physician/trauma care expert; Carl Dana (Clayton Rohner), a radical nuclear physicist; Catherine Romano (Tiffany Lamb), a marine biologist; Charles Dillon, a money-oriented mercenary (Stewart Finlay-McLennan; and Diana Randall (Joana Pacula), the director of the E.A.R.T.H. Alert Foundation.