The Juhu-bound occupants of the car, were coming from Borivali, he said.
The accident took place late last night when the driver lost control over the vehicle on Jogeshwari-Vikhroli Link Road (JVLR) flyover and rammed into a pole, the official said.
All five persons were rushed to a nearby hospital where one of them identified as Rohan Jani died during the course of treatment, the official said.