Trivia / Where the Truth Lies

• California Doubling: The interiors were shot at Shepperton Studios in England, and several exteriors were shot in Toronto, Ontario.
• Fake American: Colin Firth & David Hayman are both British, and most of the rest of the cast is Canadian.
• He Also Did: Based on a novel by Rupert Holmes, of "Escape (The Piña Colada Song)" fame.