Wollongong Police are investigating an assault at the Tusk Nightclub on Crown Street.
The incident happened on Thursday August 1.
Police have released CCTV images (above) of two men they believe might be able to assist with their inquiries.
Any information can be provided by calling Wollongong Police on 4226 7899 or Crime Stoppers on 1800 333 000.
Image: Wollongong Police District