Dueling Dubs: There are 3 Brazilian dubs, 2 from Rio de Janeiro and 1 from São Paulo. Both Rio dubs have Júlio Chaves dubbing Tom and Marco Antônio Costa dubbing Jimmy.
Ron Howard originally wanted Alec Baldwin for the role of Det. Jimmy Shaker, but he turned it down due to the sinister nature of the character, as well as the film's theme of endangering a child. Ray Liotta was offered the role, but he also turned it down, because he took issue with the film's theme of violence against children.
Howard Shore originally scored the film, but his music was thrown out and James Horner did a new score.
TV Show:
California Doubling: Toronto is used for scenes taking place not only in Toronto, but in other parts of Canada and the US. Southern France is used for scenes in the rest of France and Europe.
Dueling Shows: During season two, Ransom was airing at the exact same 8 PM timeslot as the NBC counterpart series Taken.
Fake American: Luke Roberts (British) as Eric Beaumont and Sarah Greene (Irish) as Maxine Carlson Also, Brandon Jay McLaren and Nazeen Contractor (Canadians) as Oliver Yates and Zara Hallam respectively.
International Coproduction: It's a series made together with America/Canada/France/Germany, however RTL departed the project after season one, which has led to season two being a joint American-Canadian-French co-production from CBS, Global and TF1.