Strike Force Seasoned was created to investigate an anti-lockdown protest in Sydney on Saturday, July 24.
More than 60 people have already been charged and remain before the courts.
But there are more men seen in the vicinity of the protest who police believe can assist with their investigation. They have released CCTV images of the men in order for the general public to identify them.
The first man is of a slim build with a dark beard and bald head. He was wearing a navy blue hooded jumper, white T-shirt, black tracksuit pants, and a navy blue shoulder bag at the time.
The second man is described as being of caucasian appearance, aged in his 20s, with short brown hair. He was wearing a grey shirt, grey shorts and red shoes at the time.
The third man is described as being of caucasian appearance with short brown hair. He was wearing a grey jumper at the time.
Police are also seeking information to help identify another man who is described as being of caucasian appearance with a brown beard. He was wearing a fluoro orange hooded jumper and black hat at the time.
Anyone with information regarding the identity of the men is urged to contact Crime Stoppers on 1800 333 000 or online .