The incident occurred at around 12.20am in the early hours of Friday, 18 November on Selby Toll Bridge when an 18-year-old local man was assaulted by three men.
The victim suffered minor injuries which did not require hospital treatment.
A 20-year-old local man has been arrested in connection with the incident and later released on police bail.
PC Ben Astin, of Selby Safer Neighbourhood Team, said: "I am urging anyone who can identify any of the men in the images to contact the police, or Crimestoppers if they would prefer to provide information anonymously, as soon as possible."
Anyone who can help the police with their enquiries is urged to contact PC Ben Astin at Selby police station on 0845 60 60 24 7. Press option 2 and ask for Ben Astin by name. Or call Crimestoppers anonymously on 0800 555 111 quoting reference number 12110195057.

