Police are trying to locate 63-year-old Cedric Campbell of Salisbury, St George.
Campbell was last seen outside the Queen Elizabeth Hospital this morning around 6: 35 am, wearing a brown checkered shirt, long brown pants and black shoes.
He is five feet four inches tall, dark in complexion, stoutly build, has a round face and grey and black hair.
Campbell is the third person on the missing list; lawmen are also searching for Marcelle Smith, 75, and Emela John, 18.
Anyone with information pertaining to the whereabouts of Campbell, Smith or John is asked to call police emergency number 211 or the nearest police station.