Antrobus was unavailable for post-synchronisation after the shooting of Dr. Who and the Daleks was complete.

The vocals were re-recorded for the film during a session on 24 May 1965 at CTS Studios, a facility specializing in post-synchronisation.

Post-synchronisation of crowd dialogue took place on 5 June and the episode's final mix took place on 12 June 2008: the same day the episode was officially announced by the BBC.

However, the small amount of money that had been set aside for post-synchronization "left Peru with the man in charge of the process; both absconded en route."

There is no mouthing to playback, no post-synchronization, none of the dubbing and looping that would soon make the soundtrack the most artificial element in Hollywood filmmaking.

Much of that humour was of course lost in the French dubbing: in order to keep some of Seller's characterization, the French post-synchronization gave Clouseau an odd-sounding, nasal voice.

An expert in sound recording, Michael also works as a studio director in the post-synchronization of film dialogue and as a director of dubbed film and cartoon product for the world English market.

The reconstitution of Fleischmann's opera is the core of the film, which Cozarinsky chose to film using post-synchronization so as to leave himself the greatest possible leeway in filming the opera's dramatic and visual elements.