Jock Williams has not been seen since August 9 and has not contacted anyone since.
Mr Williams lives in Blackstone Road and his current whereabouts are unknown.
He is described as Caucasian, 182cm tall, slim build and grey hair.
Anyone who has information or has seen Mr Williams is urged to contact police.
Contact Policelink on 131 444 or Crime Stoppers on 1800 333 000.