Release Info
Release Dates
| France | 23 May 2003 | (Cannes Film Festival) |
| USA | 3 October 2003 | (New York Film Festival) |
| Canada | 8 October 2003 | (Toronto) |
| USA | 8 October 2003 | (limited) |
| USA | 9 October 2003 | (Austin Film Festival) |
| Belgium | 15 October 2003 | |
| Canada | 15 October 2003 | |
| France | 15 October 2003 | |
| Switzerland | 15 October 2003 | (French speaking region) |
| USA | 15 October 2003 | |
| Israel | 16 October 2003 | |
| UK | 17 October 2003 | |
| Netherlands | 23 October 2003 | |
| Switzerland | 23 October 2003 | (German speaking region) |
| Italy | 24 October 2003 | |
| Spain | 24 October 2003 | |
| Turkey | 24 October 2003 | |
| Finland | 31 October 2003 | |
| Norway | 31 October 2003 | |
| Sweden | 31 October 2003 | |
| Poland | November 2003 | (Camerimage Film Festival) |
| Poland | 14 November 2003 | |
| Malta | 19 November 2003 | |
| Australia | 20 November 2003 | |
| New Zealand | 20 November 2003 | |
| Portugal | 20 November 2003 | |
| Colombia | 21 November 2003 | |
| Estonia | 21 November 2003 | |
| Iceland | 21 November 2003 | |
| Argentina | 27 November 2003 | |
| Czech Republic | 27 November 2003 | |
| Germany | 27 November 2003 | |
| Greece | 27 November 2003 | (Thessaloniki International Film Festival) |
| Hungary | 27 November 2003 | |
| Austria | 28 November 2003 | |
| Chile | 28 November 2003 | |
| Panama | 28 November 2003 | |
| Hong Kong | 4 December 2003 | |
| Slovakia | 4 December 2003 | |
| Brazil | 5 December 2003 | |
| Denmark | 5 December 2003 | |
| Mexico | 5 December 2003 | |
| South Korea | 5 December 2003 | |
| Taiwan | 5 December 2003 | |
| Philippines | 10 December 2003 | (Manila) |
| Japan | 10 January 2004 | |
| Philippines | 14 January 2004 | (Davao) |
| Bahrain | 18 February 2004 | |
| Greece | 20 February 2004 | |
| Kazakhstan | 20 February 2004 | |
| Egypt | 3 March 2004 | |
| Kuwait | 9 March 2004 | |
| Romania | 12 March 2004 |
Also Known As (AKA)
| Mystic River | Canada (French title), Germany, Denmark, Spain, France, Italy, Japan, Portugal |
| Río místico | Argentina, Mexico, Panama, Peru (imdb display title) |
| Gizemli nehir | Turkey (Turkish title) |
| Menneisyyden ote | Finland |
| Mistična reka | Serbia |
| Mistična rijeka | Croatia |
| Rzeka tajemnic | Poland |
| Skoteino potami | Greece (transliterated ISO-LATIN-1 title) |
| Skrivnostna reka | Slovenia (imdb display title) |
| Sobre Meninos e Lobos | Brazil (imdb display title) |
| Tajemná řeka | Czech Republic |
| Tajomná rieka | Slovakia |
| Titokzatos folyó | Hungary |
| Σκοτεινό Ποτάμι | Greece |
| Реката на тайните | Bulgaria (Bulgarian title) |
| Таинственная река | Russia |
