'You B**tard': Jason Isaacs Shares Dumbledore's 'Filthy' Harry Potter Acting Trick

In an interview with Rob Brydon, Jason Isaacs shared that he was distracted by Richard Harris’s scandalous stories while filming as Lucius Malfoy in Harry Potter. Harris’s explicit tales caused Isaacs to panic on set, but his stressed-out state ended up adding authenticity to the scene. Harris, who initially had reservations about playing Dumbledore, may have been preoccupied with not being solely remembered for his role in the franchise.

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