Detectives appealed for the public’s help following the sex attack on September 20 last year in Sprowston Mews, Forest Gate.
Officers spoke to the victim who continues to be supported by specialist officers.
Detective Constable Murad Talat, from the local policing team in east London, said: “We are releasing this image today in the hope that someone will recognise this man and let us know who he is.
“Please take a careful look at the photo and if you think you can help, get in touch as soon as possible. Any information you have could be vital for our investigation.”
Anyone with information is asked to call police via 101 or tweet @MetCC quoting reference CAD 7877/20OCT20. You can also contact the independent charity Crimestoppers anonymously on 0800 555 111.
