A fire broke out on a film set in suburban Andheri (West) on Friday afternoon, a civic official said.
Fire officials have reported that Manish Devashi, a 32-year-old man, died in the fire.
The blaze erupted at a film set installed at Chitrakoot Ground next to the Andheri Sports Complex around 4:30 p.m.
Thick black smoke could be seen billowing over the site from afar.
At least eight fire engines have been sent to the spot, said a fire brigade official.
The fire was confined to a temporary pandal where some wooden material and other things were stored, the official said, adding that the cause of the fire was not yet clear.