Peta Toppano is an English born Australian based actress who has worked extensively on film and television through the 1970s and 1980s. Peta is best known for TV roles on series Prisoner and Return To Eden during the 1970s and 1980s. Peta Toppano is an English born Australian based actress who has worked extensively on film and television through the 1970s and 1980s. Peta is best known for TV roles on series Prisoner and Return To Eden during the 1970s and 1980s.