Mr Crich, 63, is described as a white man of medium build. He is 6ft tall and has short white hair and white stubble too.
He was last seen at 1pm on Wednesday, June 9, in the Kinmylies area of Inverness, wearing black tracksuit trousers, a navy Scotland t-shirt, a black jacket and black trainers.
He also has glasses which he may or may not be wearing.
If you have any information on the whereabouts of Mr Crich you should phone 101 and quote reference number PS-20210609-2414.