Guest Stars Jon Pertwee as Luis Silverado Barbara Young as Rita John Bluthal as Tonu Gordon Warnecke as Doctor Harry Bernard Horsfall as Professor Donn Cindy O'Callaghan as Patsy Choy-Ling Man as Minnie Ozzie Yue as Connie Hu Pryce as Specialist Jenny Jay as Juney Paddie O'Neil as Marcella Susie Ann Watkins as Dawn Sheila Bernette as Mrs. Hall Emily Hartley as Emily
