Olivia Hamnett: Olivia Hamnett. Actress: The Last Wave. Olivia Hamnett began her acting career in repertory theatre throughout England before moving onto TV. After moving to Australia, Olivia established an elegant screen presence in the TV series "Rush" as well as playing screen wife to Richard Chamberlain in the film "The Last Wave" and screen mother to young Ricky Schroeder in "The Earthling". A veteran of many TV productions, it was the...