Police have released vision of the moment a man pulled a gun on two people in a car at West Footscray.

The disturbing incident happened in the carpark of an apartment building on Roberts Road, shortly before 9pm on May 16.

Police have been told the man followed the pair into the underground carpark before pulling the gun as the driver was attempting to park the car.

The driver then manages to turn the station wagon around and speed out of the car park, prompting the man with the gun to jump out of the way.

Press PLAY below to watch the disturbing vision

The driver and passenger, a 27-year-old West Footscray man and a 24-year-old West Footscray woman were not injured in the incident.

Police have released the footage in hope of finding the man, who is believed to be Caucasian in appearance, in his late 40s and to have brown/grey hair.

Anyone with information is urged to contact police.