However, Disney’s summer movie Inside Out has proved to be a consistent draw for family audiences, and continues to be its best performing film more than a month since it was released.
Donovan says the animated film about the emotions in the head of an 11-year-old girl has the potential to be a slow-building box office success, much like the 2013 Oscar winner Gravity.
Retail revenue at the cinema group has climbed by almost 20% in the first half to £85 million as cinema goers buy more wine, coffee, popcorn and nachos.
Odeon is now two-thirds of the way through its refurbishment programme in the UK and will open new cinemas in Naples and Dublin next week.
It has also been investing in digital marketing and databases to increase its social media activity, as well as retraining staff to improve its service.