According to fullpointsfooty.net
Graham 'Polly' Farmer - At the end of the year (1955) he signed for Richmond, and actually crossed to Victoria in order to prepare for the 1956 season with the Tigers. However, East Perth refused to clear him, and he was forced to return home.
Neil Conlan (New Town/Glenorchy, Devonport, Manuka, Belconnen) - on a couple of occasions during the 1950s he was 'signed' by Richmond.