制作公司：
- 华纳兄弟影片公司 [美国] (presents) (as Warner Bros.)
- 法国第4电视台 [法国] (in association with) (as Le Studio Canal+)
- Regency Enterprises (in association with)
- Alcor Films [美国] (in association with)
- Ixtlan Corporation [美国] (producer)
- Camelot
发行公司：
- 华纳兄弟影片公司 [美国] (1991) (USA) (theatrical)
- Argentina Video Home (AVH) [阿根廷] (Argentina) (video)
- Encore Avenue (2008) (Canada) (TV)
- NBC电视台 [美国] (1994) (USA) (TV) (broadcast premiere)
- 华纳兄弟公司 [阿根廷] (Argentina)
- Warner Bros. GmbH [德国] (Germany)
- Warner Bros. Española S.A. [西班牙] (Spain)
- 华纳兄弟公司 [法国] (1992) (France) (theatrical)
- 华纳家庭视频公司 [美国] (USA) (DVD)/(USA) (laserdisc)/(USA) (VHS)
- Warner Home Vídeo [巴西] (Brazil) (DVD)/(Brazil) (VHS)
其他公司：
- Andrea Jaffe & Associates publicity
- CBS News archival footage
- Deluxe answer print timing (as Deluxe®)
- Dolby Laboratories [美国] sound post-production
- Du Art Film Laboratories Inc. [美国] color by (as Duart Film Labs)
- Elektra Records [美国] soundtrack album on (as Elektra Records, Cassettes & CDs.)
- Gala Catering Inc. [美国] location catering
- International Alliance of Theatrical Stage Employees (IATSE) this picture made under the jurisdiction of (as I.A.T.S.E.®)
- Ken Scott Communications special thanks to (vintage radio and police equipment provided by) (as Ken Scott Communications, St. Ignatius, Montana)
- Keylite Production Services Inc. [美国] production equipment (as Keylite, PSI)
- LMH Company archival footage provided by (Zapruder Film: "Copyright 1967" All rights reserved.)
- M/S Billings Publicity Ltd. [美国] publicity
- NBC News Archives [美国] archival footage
- National Archives [美国] archival footage
- National Capitol Region [美国] special thanks to
- The National Park Service [美国] special thanks to (as National Park Service)
- Pacific Title [美国] titles and opticals
- People of Dallas, The special thanks to
- People of New Orleans, The [美国] special thanks to
- Post Sound Corporation archival sound restoration (as Post Sound Corp.)
- Sherman Grinberg Film Libraries Inc. [美国] archival footage provided by (as Sherman Grindberg Film Libraries)
- Soundelux [美国] sound editing
- Southern Methodist University archival footage provided by (thru its Southwest Film/Video Archives)
- Technicolor [美国] prints by (as Technicolor®)
- Tilden-Foley Gallery special thanks to (Manierre Dawson paintings loaned by) (as Tilden-Foley Gallery, New Orleans, LA)
- Travelcorps International special thanks to (as Travelcorps)
- UCLA Film and Television Archive [美国] archival footage
- United States Park Police [美国] special thanks
- University of North Texas special thanks to
- 华纳兄弟影片公司 [美国] cartoon clip courtesy of (as Warner Bros. Inc.)
