- MGM Worldwide Television
- (World-wide, 1997-2006)(sales)
- MGM Domestic Television Distribution
- (United States, 1997-2005)(TV)
- Sony Pictures Television
- (United States, 2005-2006)(TV)
- The Sci-Fi Channel
- (United States, 2002-2006)(original airing, seasons 6-10, TV)
- MGM Home Entertainment
- (United States, 2001-2006)(DVD)
- Atmosphere Visual Effects
- Enigma Animation Productions Inc.
- (digital effects)
- Gajdecki Visual Effects (GVFX)
- (digital effects)
- Image Engine Design
- (special effects)
- Northwest Imaging & FX
- (digital effects)
- Act One Script Clearance
- (script research)
- Britannia Mine Museum
- (location provider)
- David Cowan Enterprises Inc.
- (computer engineering)
- Department of Defense
- (we gratefully acknowledge the cooperation of)
- Department of the Air Force
- (we gratefully acknowledge the cooperation of)
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