“I went, ‘That’s Stephen Dillane! In a scene! With Churchill!'" said Oldman, who plays Churchill in the new film Darkest Hour. "So I wrote to Stephen and I said, ‘you are a gentleman, because you never ever mentioned or gave away the fact that you worked with another Churchill,'” Oldman said. “And he wrote back, ‘I only work with Churchills.'” Oldman admits he exchanged notes with his John Lithgow, his Churchill counterpart. ALSO: The Crown rushes through time far too quickly.