Producer Judy Hofflund hints that conversations have happened about future Poirot films with Branagh.
Branagh has directed and starred as Poirot in two films so far - Murder on the Orient Express and Murder on the Nile.
Hofflund says she knows what she'd like to see for the next film but can't reveal details.
Branagh brings star power and cinematic flair to the Poirot role.
The Poirot books and short stories provide ample material for more films.
Period piece murder mysteries are popular with audiences right now.
Venice provides a brooding backdrop for Branagh's latest Poirot film, Murder in Venice.
Potential to adapt other Christie novels with Branagh as Poirot
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