From the novel:
- Similarly Named Works: There's an unrelated 1979 American novel of the same name
.
From the movie:
- California Doubling: A portion of the film is set in Massachusetts, but the scenes were filmed in Germany.
- Real-Life Relative: Roman Polański's daughter Morgane played the hotel receptionist.
- Self-Adaptation: Robert Harris co-wrote the script based on his novel.
- What Could Have Been: Nicolas Cage was originally cast as the ghost writer and Tilda Swinton was originally cast as Ruth Lang. Daniel Craig was offered the role, but had to decline due to a Broadway commitment. Hugh Grant was also offered the lead role.
