At 7am on October 27, emergency services were called to Dobie Street, where the man was found with severe head injuries.
He was taken to hospital where he remained in a life-threatening condition for a number of weeks. His condition has since improved slightly and is now described as serious but stable.
Detectives have released the CCTV footage as they continue with their enquiries. They are looking to trace a number of drivers and pedestrians who were in the Dobie Street area in the hours leading up to when the victim was found at 7am.
Detective Constable Emma Shipley, investigating, said: “The footage shows a number of vehicles and a pedestrian on Dobie Street on the morning of Sunday October October, between 1.10am and 5.20am.
“I’d like to please ask people to cast their minds back were you in the area that morning? Do you drive to and from work along that road?
“It’s really important that we identify and speak to these witnesses as they may have vital information about what happened.
“If you think you were in the area that morning, please get in touch with us.”Two people have been charged in connection to the incident and remain remanded in custody.
Craig Smith, 30, of Honeywell Street, Barnsley, and Scott Toone, 26, of no-fixed-address, are both charged with Section 18 Wounding. Anyone with information is asked to contact 101 quoting incident number 337 of October 27.