发行公司：
- 哥伦比亚影片公司 [美国]
- 哥伦比亚三星电影发行公司 [美国] (Argentina)
- Columbia TriStar Film GmbH [德国] (Germany)
- Columbia TriStar Films [法国] (1997) (France) (theatrical)
- Columbia TriStar Films de España S.A. [西班牙] (Spain)
- 哥伦比亚三星家庭视频公司 [美国] (France) (video)
- LK-TEL [阿根廷] (Argentina) (video)
- MCA/Universal Pictures [美国] (Argentina) (video)
- Sony Pictures Entertainment [美国] (Argentina) (video)
- Universal Studios Home Video [美国] (video)
特技制作公司：
- Autumn Light Entertainment (digital effects)
- Banned from the Ranch Entertainment (BFTRE) [美国] (alien languages)
- Cinovation Studios (alien make-up effects)
- 工业光魔公司 [美国] (special visual effects and animation)
- K.N.B. Effects Group [美国] (additional alien make-up effects)
- Les Productions Pascal Blais [加拿大] (additional alien make-up effects)
- ME FX (additional alien makeup effects)
- Mo 42 Special Effects (main titles sequence)
- Mo42 Special Effects [美国] (main titles sequence)
- Open Films (main title sequence)
- Question Mark FX (additional digital effects)
- Steve Johnson's XFX Inc. [美国] (additional alien makeup effects)
- Storyboard Inc. (additional alien make-up effects)
- VisionArt [美国] (additional alien make-up effects)
- Visual Concept Engineering (VCE) [美国] (additional visual effects)
其他公司：
- Animal Actors of Hollywood [美国] animals provided by
- Bausch & Lomb Ray-Ban sunglasses
- C-5 Inc. [美国] post-production sound
- Columbia Records soundtrack published by
- Daily News L.P. [美国] Daily News logo and trademark used with permission of
- Deluxe Motion Picture Catering [美国] catering
- Dolch Computer Systems Inc. special thanks
- Gala Catering Inc. [美国] caterer: New York unit
- Hamilton the Ventura watch
- Inphomation Communications Corporation Psychic Friends Network courtesy of
- Kinesis Corp. keyboards
- Major League Baseball Properties Inc. [美国] The Major League Baseball trademarks licensed by
- Marvel/Malibu Comics comic books
- NBC News Archives [美国] Al Roker clip courtesy of
- Pacific Title [美国] opticals
- Sound One Corporation [美国] re-recording facilities
- The Metropolitan Transportation Authority special thanks
- The New York City Mayor's Office of Film, Theatre & Broadcasting [美国] special thanks
- The Triborough Bridge and Tunnel Authority special thanks
