A man had his head stamped on during a "violent and dangerous" assault in a high street.
The victim, who was in his 40s, lost a tooth and suffered a cut to his mouth after the attack in Queenborough High Street.
The incident happened on July 16 at around 7.15pm.
Police have now released a CCTV image of someone who maybe able to help with the investigation.
Investigating officer, PC Stuart Drakeley, said: "We have been completing enquiries into this incident and are now able to issue a CCTV image of a person who may be able to assist with our enquiries.
"This was a particularly violent and dangerous assault and anybody who recognises the man is urged to call our appeal line."
Anyone with information should call 01795 419119, quoting crime reference 46/137077/22.
You can also call Crimestoppers anonymously on 0800 555111 or complete the online form on its website.