Police have released CCTV vision of a man who may be able to assist with investigations into a robbery of a Manly business on Tuesday, November 26.

Investigations indicate a man entered the business on Stratton Terrace around 8pm, where he demanded money from a male staff member.

The man allegedly threatened the staff member before leaving the scene on foot.

The staff member was not physically injured during the incident.

He is believed to be in his 30s, described as having a proportionate build, around 180cm tall and was wearing a black baseball cap, black T-shirt and grey three-quarter pants.

Anyone who recognises the man, or has any information that can assist investigations, is urged to contact police.