Akshay, 48, who plays a naval officer in the film, took to Twitter to share his "mixed feelings" with his fans.
"It's time to rest the cap coz its a wrap. Last day of #Rustom today, had a ball shooting this one! #mixedfeelings," he wrote.
The thriller, which marks the directorial debut of Tinu Suresh Desai, has been produced by Neeraj Pandey, who has earlier worked with Akshay in "Special 26" and "Baby".