| Country | Date | |
|---|---|---|
| USA | 8 February 1985 | |
| Brazil | 15 April 1985 | |
| Argentina | 25 April 1985 | |
| Austria | May 1985 | |
| France | May 1985 | (Cannes Film Festival) |
| Australia | 2 May 1985 | |
| Sweden | 15 May 1985 | |
| Finland | 17 May 1985 | |
| France | 22 May 1985 | |
| Italy | 24 May 1985 | |
| UK | 24 May 1985 | |
| West Germany | 24 May 1985 | |
| Netherlands | 25 May 1985 | |
| Hong Kong | 30 May 1985 | |
| Denmark | 31 May 1985 | |
| Spain | 3 June 1985 | |
| Japan | 22 June 1985 | |
| Portugal | 29 August 1985 | |
| Hungary | 20 October 1988 | |
| Germany | 24 May 2000 | |
| France | September 2009 | (Deauville American Film Festival) |
| Testigo en peligro | Argentina / Mexico / Peru / Venezuela |
| A Testemunha | Brazil / Portugal |
| Der einzige Zeuge | Austria / West Germany |
| Único testigo | Spain |
| A kis szemtanú | Hungary (imdb display title) |
| Called Home | USA (working title) |
| Ha-Ed | Israel (Hebrew title) |
| Martyras eglimatos | Greece (transliterated ISO-LATIN-1 title) |
| Peter Weirin todistaja | Finland |
| Svedok | Serbia (imdb display title) |
| Swiadek | Poland |
| Témoin sous surveillance | Canada (French title) |
| Todistaja | Finland |
| Vidnet | Denmark |
| Vitne til mord | Norway (imdb display title) |
| Vittne till mord | Sweden |
| Witness - il testimone | Italy |
| Witness: Témoin sous surveillance | France |
| Trailers | Plot summary | Box office and business |
| User reviews | Ratings | Awards |
| News articles | External reviews | Main details |