According to a news release, the incident occurred on Sunday, Oct. 26, at 4:15 p.m.
At that time, police say a 19-year-old woman was assaulted.
The suspect is described as a brown man five feet five inches tall, who is believed to be 50 to 55 years old.
Police say the suspect has salt-and-pepper hair, a slight pot belly and "a pointy nose." He wore sunglasses, a baseball cap and a dark, waist-length jacket with a zipper.
Anyone with information is asked to contact police at 416-808-5300. Information can also be passed on anonymously through Crime Stoppers at 416-222-8477.