The incident occurred Nov. 9, 2016 at around 10 p.m. in front of a Chase Bank at 2121 Torrance Boulevard.
Torrance police said the man, armed with a bat, forced the teen to withdraw $500 from the ATM, telling her that he needed the money to feed his family.
Authorities released surveillance images showing the suspect holding the victim by the head, as she covered her face with her hands.
Another image shows the suspect wielding a bat and taking a swinging stance.
Police also released a sketch of the suspect as well as a photo of a car possibly linked to him.
Investigators are asking for the public's help to track down the culprit. If you have any information about this case, you're urged to contact the Torrance Police Department's Special Investigations Division at (310) 618-5709.