Muhammed Junaid Khan arrived on a tourist visa at Kochi on June 28 and returned to Mumbai on June 30 after the shoot, Home Minister Thiruvanchoor Radhakrishnan told the Assembly to a submission of CPI-M Deputy Leader in the House, Kodiyeri Balakrishnan.
Khan had acted in an advertisement film shot at the 'Thejomayi Building' at the Info Park and steps were taken to place him in the black list, the minister said.
A case has been registered against one Kunjuabdulla, Khan's sponsor, and also the co-ordinator of the film unit, Krishnakumar.
Police have started investigation and the government viewed the incident "very seriously," Radhakrishnan said.
Balakrishnan wanted to know from the government how such a thing happened in a high security zone.
No one has been taken into custody in connection with the incident wherein a person from Karachi came to Kochi and returned back after acting in an advertisement film, Balakrishnan said.