Ashley Zukerman grew up in Australia and plays the American Robert Langdonnote Zukerman actually is an American-Australian dual citizen; he was born in California, but grew up in Australia and thus has an Australian accent.
The British Eddie Izzard plays the American Peter Solomon.
What Could Have Been: The novel was initially going to be adapted into a fourth Robert Langdon film starring Tom Hanks.
Working Title: The series was tentatively titled Langdon during pre-production.