Wonder Woman's pursuit of a spy leads to the hideout of a disfigured veteran who designed the roller coaster. Conclusion of two parts. Wonder Woman: Lynda Carter. Harrison Fynch: Joseph Sirola. Leon David: Jared Martin. Pierce: Marc Alaimo. Steve: Lyle Waggoner. Randy: Ike Eisenmann. Kirk: Fred Lerner. Thorpe: Craig Littler.