The Oscar winner reckons there's one thing he could have done to make his performance as Sirius Black better.
David Holmes served as Daniel's stunt double for every single Potter film — until he was paralysed on set.
The Lost City actor has admitted he spoils the magic for kids "on a regular basis".
The last film in the Harry Potter prequel series, Fantastic Beasts: The Secrets of Dumbledore, was released last year.