 He compered "Desmond and the Channel 9-Pins" an Australian children’s television series which aired from 1957 to 1962 on Sydney station TCN-9.In 1961, Tester retired from appearing on-screen on the series, but continued to write, produce and direct the show.In 1974 he revived his stage acting career on the advice of Hayes Gordon and appeared in numerous productions including productions by playwrights Arthur Miller and John Ewing.